By Osama Fathi | White Desert Egypt

By Osama Fathi | White Desert Egypt

By Helio C. Vital | Saquarema, Rio de Janeiro, Brazil

By Steve Price | Moab, Utah

By Jim Militello | Tucson, Arizona USA

By Cecille Kennedy | Highway 101, Oregon Coast, Oregon

By Hassan Dadashi . Arani | Esfahan. Iran

By Mary Jane Hochleutner | Santa Monica Mtns. CA

By Mimi Ditchie | Pismo Beach, California U.S.A.

By Laurie Engelhardt | Hermosa Beach, CA

By Harshwardhan Pathak | El Sauce Observatory, Chile

By Hassan Dadashi . Arani | Esfahan province. Iran

By Martin Curran | Cheyenne, WY USA

By Helio C. Vital | Saquarema, Rio de Janeiro, Brazil

By Anshuman Saikia | Golaghat, Assam, India

By Hassan Dadashi . Arani | Esfahan province. Iran