Images # 2 please help....I have no idea what I am missing


#1
  <div class="row"> 
  <div class="col-md-4">
  <div class="thumbnail">
    <img src="http://goo.gl/0sX3jq">
  </div>
  <div class="thumbnail">
    <img src="http://goo.gl/an2HXY">
    </div>
  <div class="col-md-4">
    <div class="thumbnail">
        <img src="http://goo.gl/Av1pac">
     </div>
    <div class="thumbnail">
    <img src="http://goo.gl/vw43v1">
</div>
  </div>
  
  <div class="col-md-4">
  <div class="thumbnail">
    <img src="http://goo.gl/0Kd7UO">
    </div>
  </div>
  </div>
  </div>

#2
  <div class="col-md-4">
  <div class="thumbnail">
    <img src="http://goo.gl/0sX3jq">
  </div>
  <div class="thumbnail">
    <img src="http://goo.gl/an2HXY">
    </div>

Your first column has no closing tag.