"Beam of lights and flash flood danger"

http://uwepetercom.blogspot.com/2010/04/beam-of-lights-and-flash-flood-danger.html
Antelope Canyon | Page | Arizona | USA | 2010-04-20
Antelope Canyon is the most-visited and most-photographed slot canyon in the American Southwest.It is located on Navajo land near Page, Arizona. Antelope Canyon includes two separate, photogenic slot canyon sections, referred to individually as Upper Antelope Canyon or The Crack; and Lower Antelope Canyon or The Corkscrew. On August 12, 1997, eleven tourists were killed in Lower Antelope Canyon by a flash flood.