By Dr Ski | Valencia, Philippines

By Elizabeth Bettenhausen | Santa Rosa Creek Lagoon, Cambria, CA, USA

By Dr Ski | Valencia, Philippines

By Dr Ski | Valencia, Philippines

By Jessie Meyer | Kelso TN United States

By Bela Foltin | Yoncalla, Oregon, Douglas

By Steven Sweet | Port Credit, Mississauga, Ontario Canada

By Laurie Stanton | Elk Lake in the Deschutes National Forest, Oregon

By Ragini Chaturvedi | NJ, USA

By Ragini Chaturvedi | NJ, USA

By Ragini Chaturvedi | NJ, USA

By Alexander Krivenyshev | San Pedro de Atacama

By Alexander Krivenyshev | San Pedro de Atacama

By Alexander Krivenyshev | San Pedro de Atacama

By Michele Acker | Bradley, Arkansas, USA

By Peter Lowenstein | Mutare, Zimbabwe