By Hassan Dadashi . arani | Esfahan . Iran

By Kevan Hubbard | York, England

By Patricio Leon | Santiago, Chile

By David Clayton | Lyme Regis, Dorset, UK

By Mandy Daniels | Derbyshire, UK

By Nancy Reeves | Emerson, GA , USA

By Asha Prasad | Minnesota, USA

By Deborah Williams | Salado, Texas, US

By Elmarie van Rooyen | Smoky Lake, Alberta, Canada

By Ron Haggett | Yuma. AZ

By Cecille Kennedy | Fogarty State Park, Oregon

By Kevan Hubbard | Withernsea, Yorkshire, England

By Soumyadeep Mukherjee | IC Astronomy Observatory, Spain

By Hassan Dadashi . arani | Esfahan . Iran

By Mandy Daniels | Derbyshire, UK

By Mohammed Abdallah | Valley of Whales, Egypt