On <a href="http://www.bighugelabs.com/flickr/scout.php?username=21366409@N00&combined=1" target="blank">Explore/Flickr Top 500</a>, Jan. 18, 2009 __________________________________________________________________ Taken as the rain waned, and the boats started moving out of the subterranean river. <b>St. Paul Subterranean River Puerto Princesa Palawan, Philippines</b>