anchor.diff:                      </li>
   
                       <li class="span2">
  -                        <a href="http://odysseus.culture.gr/h/3/eh351.jsp?obj_id=2485" target="_blank" class="thumbnail">
  +                        <a href="http://odysseus.culture.gr/h/2/eh251.jsp?obj_id=6622" target="_blank" class="thumbnail">
                               <p class="title">Theatre of Dionysus and Herodus Atticus</p>
                               <%= image_tag 'guide/Odeon_of_Herodes_Atticus_2010.jpg' %>
                               <p class="attribution">photo by WestportWiki<br />CC BY-SA 3.0</p>
  
positive.code:                 <h4 class="span8">Sounion</h4>
                  <ul class="span3 thumbnails">
                      <li>
                          <span class="thumbnail">
                              <%= image_tag 'guide/sounion_posidon_temple.jpg' %>
                              <p class="attribution">photo by Belyshev CC BY-SA 3.0</p>
                          </span>
                      </li>
                  </ul>
  
  
negative.code:                     </li>
  
                      <li class="span2">
                          <a href="http://www.visitgreece.gr/en/culture/museums/national_archeological_museum" target="_blank" class="thumbnail">
                              <p class="title">Archaeological Museum</p>
                              <%= image_tag 'guide/National_Archaeological_Museum_Athens_building.jpg' %>
                              <p class="attribution">photo by Dimboukas</p>
                          </a>
                      </li>
                  </ul>
  
  