The photo showing crowded at Upper Antelope Canyon, original photo is at <a rel="nofollow" class="external free" href="https://www.flickr.com/photos/manop/527123701/">https://www.flickr.com/photos/manop/527123701/</a>
<a href="//commons.wikimedia.org/wiki/User:Manop" title="User:Manop">Manop</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>