The uploader recorded this picture as "Partial view of the Palo Alto Airport of Santa Clara County (PAO/KPAO), Palo Alto, CA, USA."  While it is certainly an airport, it is certainly not PAO, which is a general aviation airport only - see English Wikipedia entry on it.<br>P1000588
<a rel="nofollow" class="external text" href="https://flickr.com/photos/54761490@N00">propella</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://flickr.com/photos/54761490@N00/12282294">Flickr</a>