By Param Sharma | Marshfield, WI

By Ahmad Shrief | Valley of the whales , Egypt

By Hassan Dadashi . arani | Esfahan . Iran

By Phil Seeney | Cambridge UK

By Soumyadeep Mukherjee | IC Astronomy Observatory, Spain

By Lynzie Flynn | Huntington Beach, California, U.S.

By Matteo Vacca | Milis, Italy

By Hassan Dadashi . arani | Esfahan . Iran

By Makrem Larnaout | Mos Espa Star Wars Village

By Roberto Ortu | Cabras, Sardinia, Italy

By Cecille Kennedy | Oregon Coast, Oregon

By Andy Dungan | Near Cotopaxi, CO USA

By Mandy Daniels | Derbyshire, UK

By Brian Hannigan | Pennsylvania

By Osama Fathi | White Desert, Egypt

By Hassan Dadashi . arani | Esfahan . Iran