By Helio C. Vital | Saquarema, Rio de Janeiro, Brazil

By Kevan Hubbard | Teesmouth Nature Reserve, Co Durham, England.

By Aurelian Neacsu | Visina, Dambovita, Romania

By Fredy Andrianto | Semarang, Central Java, Indonesia

By Chuck Reinhart | Vincennes, Indiana

By Basudeb Chakrabarti | Jhargram, West Bengal, India

By Hassan Dadashi . arani | Esfahan.iran

By Wendy Rae | Southwest Montana

By Raul Cortes | Frankfurt, Germany.

By Peter Lowenstein | Mutare, Zimbabwe

By Kat Goldwarg | Niagara Falls, ON, Canada.

By Jelieta Walinski Ph.D | Arizona, USA

By Basudeb Chakrabarti | Heaven's Mirror Observatory, Australia

By Stephen James O'Meara | Maun, Botswana

By Kevan Hubbard | Teesmouth Nature Reserve, Co Durham, England.

By Hassan Dadashi . arani | Esfahan.iran