By Paul C. Peh | Sokcho, Republic South Korea

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

By Ercan Arisoy | Istanbul

By Patricio Leon | Santiago, Chile

By Asha Prasad | Minnesota, USA

By Adrian Fairhurst | Althorne Essex UK

By Mario Rana | Hampton, Virginia

By Namcy Kneepkens | Big South Fork National River and Recreation Area

By Mandy Daniels | Derbyshire, UK

By Pat Fogg | Claresholm, AB, CANADA

By Hassan Dadashi Arani | Markazi province. Iran

By Kevan Hubbard | Guisborough, Yorkshire, England

By Sudhir Sharma | Hopewell Junction, NY

By Emanuele Nifosì | Scicli, Ragusa, Sicilia, Italia

By Kannan A | Woodlands, Singapore

By Jeffrey Palmer | Great Falls, MT, USA