<tal:view define="
  thumbnail python:view.thumbnail;
  columns python:view.columns"
  tal:condition="thumbnail" i18n:domain="eea">

<div
  xmlns:ex="http://simile.mit.edu/2006/11/exhibit#"
  ex:role="view"
  ex:viewClass="Thumbnail">
  <div ex:role="lens" class="daviz-thumbnail-lens">
    <img tal:attributes="ex:src-content thumbnail" />
    <tal:column repeat="column columns">
      <div tal:attributes="ex:content column"></div>
    </tal:column>
  </div>
</div>

</tal:view>
