By Hassan Dadashi . arani | Esfahan . Iran

By Mark Sansom | Nhill, Victoria, Australia.

By Harshwardhan Pathak | El Sauce Observatory, Chile

By Paul Wilson | Paso Robles, Calif. USA

By B MARTIN | Riverside CA USA

By Cecille Kennedy | Coast Avenue, Oregon

By Nina Gorenstein | West Lafayette, IN, USA

By Hassan Dadashi . arani | Esfahan . Iran

By Laurie Bray | Salt Lake City, Utah, U. S.

By Barb Lambert | Sacramento, CA, USA

By GREG REDFERN | Shenandoah NATIONAL PARK

By Guido Santacana | San Juan, Puerto Rico

By Hassan Dadashi . arani | Esfahan . Iran

By Kevan Hubbard | Moffat, Scotland

By Gerald Barney | Port Wentworth, Ga.

By Mandy Daniels | Derbyshire, UK