By Nancy Reeves | Emerson, GA USA

By Kannan A | Singapore

By Hassan Dadashi . arani | Kish . Iran

By Dr.Anupam Roy Choudhury | Shahjahanpur,UP,India

By Gail Gunstone | Carmen Island, Sea of Cortez, BCS Mexico

By James Gaulding | Carlsbad Caverns National Park, New Mexico, U.S.A.

By Adrian Van Amstel | Peak Downs, Winchester, Central Queensland Highlands, Australia.

By Steve Price | Steep Mountain, Draper, Utah USA

By Nancy Reeves | Emerson, GA USA

By Jelieta Walinski Ph.D | Caballo Lake State Park, New Mexico

By Lisa Ann Fanning | Lincroft, NJ

By Cecille Kennedy | Central Oregon Coast, US

By Mario Rana | Hampton, Virginia

By Sudhir Sharma | Stormville, NY

By Dianna Smith | Tongapōrutu, New Zealand

By Patricio Leon | Santigo, Chile