By Hassan Dadashi.arani | Esfahan.iran

By Dan Wyman | Oceanside, CA USA

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | 9.3°N, 123.3°E

By Dr Ski | Valencia Observatory, Central Philippines

By Andrew Dare | Cusco, Peru

By Ayum Sulaiman | Changi Beach, Singapore

By Kannan A | Woodlands, Singapore

By Kannan A | Woodlands, Singapore

By Helio C. Vital | Rio de Janeiro, Brazil

By Sanjay Baskaran | Aylesbury, Buckinghamshire, England

By Michael Terhune | Lunenburg MA, USA

By Michael Terhune | Lunenburg MA, USA

By Mohamed Mohamed | Libya,Tripoli

By Jatinkumar Thakkar | Carroll, New Hampshire