diff --git a/index.html b/index.html
index ef4c319ab0bd95bb9684ca994aa6b11e1b7b0f99..793e8c26f78c538021c1b6def54763eddc9d4f7d 100644
--- a/index.html
+++ b/index.html
@@ -493,7 +493,7 @@
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -517,19 +517,19 @@
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -537,19 +537,19 @@
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/index_de.html b/index_de.html
index 40238737bce6fd06f9156f4cf07a0ff4f5c9558c..594629a8b73069f6ce6e752953f8945960c9afc9 100644
--- a/index_de.html
+++ b/index_de.html
@@ -373,7 +373,7 @@ We intend to change that!</p>
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -397,19 +397,19 @@ We intend to change that!</p>
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -417,19 +417,19 @@ We intend to change that!</p>
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/index_en.html b/index_en.html
index ef4c319ab0bd95bb9684ca994aa6b11e1b7b0f99..793e8c26f78c538021c1b6def54763eddc9d4f7d 100644
--- a/index_en.html
+++ b/index_en.html
@@ -493,7 +493,7 @@
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -517,19 +517,19 @@
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -537,19 +537,19 @@
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/index_zh.html b/index_zh.html
index 12c61e594d6d8492cd6f380c0b065f4560530f77..c1f40177f1bb629a66a070631fffe8df53223978 100644
--- a/index_zh.html
+++ b/index_zh.html
@@ -362,7 +362,7 @@
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -386,19 +386,19 @@
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -406,19 +406,19 @@
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/index_zh_big5.html b/index_zh_big5.html
index 258014cf7342ab88ded7984b6fa77d8591c4607a..9522aab7ddde42266d27f7aa26042c0dfbd33cf6 100644
--- a/index_zh_big5.html
+++ b/index_zh_big5.html
@@ -362,7 +362,7 @@
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -386,19 +386,19 @@
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -406,19 +406,19 @@
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/templates/index.tpl b/templates/index.tpl
index 11f282821d44ff6e0d101318906075822fa76f3e..a2b62bd7e2dd94a140a4b9ba88dedbf6b2024d81 100644
--- a/templates/index.tpl
+++ b/templates/index.tpl
@@ -355,7 +355,7 @@
             </div>
 	    <div class="row center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/propaganda/talk.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/propaganda/talk.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Lightning talk slides</u></p>
 		    </a>
@@ -379,19 +379,19 @@
             </div>
 	    <div class="row text-center">
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_lowtech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/files/process/v1/process_lowtech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (low tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process design</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_design_rules.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_design_rules.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Design rules</u></p>
 		    </a>
@@ -399,19 +399,19 @@
 	    </div>
 	    <div class="row text-center">
 		<div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_hightech_steps.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_hightech_steps.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process steps (high tech)</u></p>
 		    </a>
  		</div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/process_testing.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/process_testing.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>Process testing guide</u></p>
 		    </a>
                 </div>
                 <div class="col-xs-4 text-center">
-		    <a rel="noreferrer" href="https://download.libresilicon.com/process/v1/HKUST_steps_dry.pdf" target="_blank">
+		    <a rel="noreferrer" href="files/process/v1/HKUST_steps_dry.pdf" target="_blank">
 		    <img width="120px" style="margin-top: 20px;" src="img/LSA-pdf.svg">
 		    <p><u>HKUST implementation</u></p>
 		    </a>
diff --git a/translate.py b/translate.py
index 2ee0ed310b211489f7f8f48c1719a068f9f46580..d24454b22607c9a5ea8b4956591f812d818a3122 100755
--- a/translate.py
+++ b/translate.py
@@ -15,7 +15,7 @@ languages = [False,'zh','zh_big5','en','de']
 def render_template(jinja_env, template_filename, language):
     print("Language: "+language)
     try:
-        json_content = json.load(fp=open("lang/"+language+".json"),encoding="utf-8")
+        json_content = json.load(fp=open("lang/"+language+".json"))#,encoding="utf-8")
     except Exception as e:
         print("Error rendering language: "+language)
         print(e)