By Hassan Dadashi Arani | Esfahan province. Iran

By Jelieta Walinski Ph.D | Desert Bloom Observatory, AZ, USA

By Cecille Kennedy | Oregon Coast, Oregon

By Marsha Manning | Las Vegas, Nevada, USA

By William Russell-Pestinger | Denali National Park, Alaska

By Mario Rana | Hampton, Virginia

By Mohammed Abdallah | Whales Valley, Egypt

By Judy Boyle | Whitehall, Montana

By Lorraine Boyd | Cohoes, New York

By Petr Horálek | Suotojärvi Lake, Sweden

By Tim Rubbert | Whitefish, Montana, USA

By kevan hubbard | Seaton Carew,Co Durham,England

By OSAMA FATHI | Fayoum, Egypt

By Patricio Leon | Santiago, Chile

By Amit Bhattacharya | Dayara Bugyal, Uttarakhand, india

By Hassan Dadashi Arani | Fars province. Iran