NYC, etc.

http://www.flickr.com/photos/ezrabg/11470148383/in/pool-aerials

Seattle at night http://www.flickr.com/photos/lbn/10513929083/in/pool-1538498@N21
& during the day. http://www.flickr.com/photos/wsdot/4907981806/in/set-72157631528692308