By Bill Kozar | Taylorsville, Indiana. USA

By Aaron Li | Richmond, BC, Canada

By Makrem Larnaout | Tunis

By kevan hubbard | Teesmouth Nature Reserve,Co Durham, England

By Hassan Dadashi Arani | Esfahan . Iran

By Eliot Herman | Tucson AZ

By Hassan Abdollahabadi | Chelpo Village , Rivash , Iran

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

By Victoria Bryhan | Corvallis, Oregon

By Hassan Dadashi Arani | Esfahan. Iran

By Patricio Leon | Santiago, Chile

By Barry Burgess | Shelburne County, Nova Scotia, Canada

By Sheryl R Garrison | Waterton Lakes National Park, AB Canada

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

By Amit Raka | Chh. Sambhaji nagar, Maharshtra, India.

By Andy Dungan | Near Cotopaxi, Colorado USA