By Osama Fathi | Cairo, Egypt

By Hassan Dadashi . Arani | Esfahan . Iran

By Hassan Dadashi . Arani | Esfahan. Iran

By Kritsadanshon Sadeewong | Phu Soi Dao National Park, Uttaradit, Thailand.

By Armando Caussade | San Juan, Puerto Rico

By Tawnya Silloway | Colorado Springs Colorado

By Cecille Kennedy | Oregon Coast, Oregon

By C. Gentile | Florham Park, NJ USA

By Esther Doss | willcox, AZ, USA

By Laurie Engelhardt | Hermosa Beach, CA

By Faiz A | 77.20W, 39.23N

By Gontran Eleizalde | Caracas, Venezuela

By Randy Strauss | Papillion, Nebraska, USA

By Sudhir Sharma | Stormville, NY

By Saqlain Haider | Pattoki, Punjab, Pakistan

By Judy Boyle | Whitehall, Montana, USA