diff --git a/index.html b/index.html
index ae5dbf1..d4754a3 100644
--- a/index.html
+++ b/index.html
@@ -55,6 +55,7 @@ <h1 class="text-light"><a href="index.html"><span>CCCN LAB @ Chula</span></a></h
           <li><a href="#about">About Us</a></li>
           <li><a href="#services">In the lab</a></li>
           <li><a href="#portfolio">Publication</a></li>
+          <li><a href="#activity">Activity</a></li>
           <li><a href="#team">People</a></li>
           <li><a href="#Links">Links</a></li>
           <!-- <li class="drop-down"><a href="">Drop Down</a>
@@ -667,7 +668,9 @@ <h3> 2013 </h3>
       </div>
     </section><!-- End Portfolio Section -->
 
-    
+    <section id="activity" class="activity">
+      <iframe src="https://calendar.google.com/calendar/embed?src=9043de76e2f595533cbd71bd7c2f092e3fccb19784b5dfb82021bb11792e8820%40group.calendar.google.com&ctz=Asia%2FBangkok" style="border: 0" width="800" height="600" frameborder="0" scrolling="no"></iframe>
+    </section>
 
     <!-- ======= Team Section ======= -->
     <section id="team" class="team">