Swimming pool and associated facilities located within the transit area of Terminal 1 at <a href="//commons.wikimedia.org/wiki/Singapore_Changi_Airport" title="Singapore Changi Airport">Singapore Changi Airport</a>
Robert S. (<a href="//commons.wikimedia.org/wiki/User:Rob.au" title="User:Rob.au">Rob.au</a>)
CC BY 2.5
Photographed by the author, using a Pentax Optio S5n.  Image is cropped section of original photograph.