By Hassan Dadashi . arani | Natanz . Iran

By Steve Price | Holden Beach, NC USA

By Karthik Easvur | Madurai, India

By Lisa Ann Fanning | Monmouth County, NJ

By Hassan Dadashi . arani | Natanz . Iran

By matthew chin | Hong Kong

By Helio C. Vital | Rio de Janeiro, Brazil

By Mario Rana | Hampton, Virginia

By David Hoskin | Halifax, Nova Scotia, Canada

By Paul Kimmelman | Skyway Bridge - St. Petersburg FL.

By Dan Bush | Albany, Missouri, USA

By Shruti Mehta | Mumbai, India

By Hassan Dadashi . arani | Natanz . Iran

By Eliot Herman | Nome Alaska

By KATHIE O'DONNELL | DEVIL'S TOWER NATIONAL MONUMENT

By Laura Penn | Tintagel, UK