"Red Rocks and other things"

http://uwepetercom.blogspot.com/2010/04/red-rocks-and-other-things-denver.html
Denver | Colorado | USA | 2010-04-27
Red Rocks Amphitheatre is a rock structure in Red Rocks Park near Morrison, Colorado (west of Denver), where concerts are given in the open-air amphitheatre. There is a large, tilted, disc-shaped rock behind the stage, a huge vertical rock angled outwards from stage right, several large outcrops angled outwards from stage left and a seating area for up to 9,450 people in between.