Oops, try again. Inside the third <div class="col-md-4">..</div>, add a <div class="thumbnail">..</div>


#1



<link href="http://s3.amazonaws.com/codeacademy-content/courses/courses/ltp/css/bootstrap.css">
<link rel="stylesheet" href="main.css">







<div class="jumbotron">
  <div class="container">
    <h1>Find a place to stay.</h1>
    <p>Rent from people in over 34,000 cities and 192 countries.</p>
    <a href="#">Learn More</a>
  </div>
</div> 

<div class="neighborhood-guides">

</div>


<div class="learn-more">
<div class="neighborhood-guides">
  <div class="container">
  <h2>Neighborhood Guides</h2>
  <p>not sure where to stay? we've created neigborhood guides for cities all around the world.</p>
  <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>

		<h3>Travel</h3>
		<p>From apartments and rooms to treehouses and boats: stay in unique spaces in 192 countries.</p>
		<p><a href="#">See how to travel on Airbnb</a></p>
	  </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>
  	  

		<h3>Host</h3>
		<p>Renting out your unused space could pay your bills or fund your next vacation.</p>
		<p><a href="#">Learn more about hosting</a></p>
      </div>
      </div>
      
 <div class="col-md-4">
	  
 <div class="thumbnail">
  	  <img src="http://goo.gl/Av1pac">
  	  </div>
  	  </div>
  	   
		<h3>Trust and Safety</h3>
		<p>From Verified ID to our worldwide customer support team, we've got your back.</p>
		<p><a href="#">Learn about trust at Airbnb</a></p>
	  </div>
	  </div>
	  </div>
	  
    </div>
  </div>
</div>



#2

@hannan.khan.560,
Your usage of the col-md-4 Bootstrap-facility....

Please read
++ bootstrap
http://getbootstrap.com/getting-started/
http://getbootstrap.com/2.3.2/components.html
We now have .col-xs (phones), .col-sm (tablets), .col-md (desktops), and .col-lg (large desktops).


#3

You din't close col-md-4