By Mario Rana | Hampton, Virginia

By Hassan Dadashi . Arani | Najaf province. Iraq

By Cecille Kennedy | Oregon Coast, Oregon

By Hassan Dadashi . Arani | Najaf province. Iraq

By Stephen Montag | Livingston, New Jersey

By Andrea Iorio | Marino, Rome, Italy

By Sunanda Laha | Konnagar, West Bengal, India

By Hassan Dadashi . Arani | Esfahan. Iran

By Nina Gorenstein | West Lafayette, IN, USA

By Fredric Walder | San Francisco

By Peter Lowenstein | Mutare, Zimbabwe

By Hassan Dadashi . Arani | Esfahan. Iran

By Tom Sorensen | Golden Spike National Historical Park, Utah

By Cecille Kennedy | Depoe Bay, Oregon

By Jeremy Likness | Colorado Springs, Colorado, USA

By Jose Pedrero | Salar de Uyuni, Bolivia