diff --git a/wiki/pages/design.html b/wiki/pages/design.html
index 4dcad52f304bd06116015c2d69d132027f1a398b..0b43c0fd9eba7d03ad5c7f58f8c72afbbf27082f 100644
--- a/wiki/pages/design.html
+++ b/wiki/pages/design.html
@@ -872,7 +872,7 @@
                   alt=""
                   width="80%"
                 />
-                <small>pic</small>
+                <small>Figure 15. The suicide switch in <I>B. substilis</I></Thead></small>
               </div>
             </section>
           </section>
@@ -919,9 +919,19 @@
                 width="40%"
                 height="45%"
               />
-              <small>pic</small>
+              <small>Figure 16. Polycobead</small>
             </div>
             <br />
+            <div class="text-center">
+              <img
+                id="diag-pic"
+                src="https://static.igem.wiki/teams/4653/wiki/polycobead/polycobead-0.jpg"
+                alt=""
+                width="40%"
+                height="45%"
+              />
+              <small>Figure 16. Polycobead</small>
+            </div>
             <p>
               Polycobead uses a high alcoholysis degree water-soluble polyvinyl
               alcohol (<b>PVA</b>) as the outer film to wrap our