By Jelieta Walinski Ph.D | Southeastern Arizona

By Eliot Herman | Tucson AZ

By Kamala Venkatesh | Ocean City, Maryland, USA

By Tom Tyning | Windsor, Mass. USA

By Hassan Dadashi Arani | Esfahan. Iran

By Jamie Green | Norfolk, UK

By Ragini Chaturvedi | NJ, USA

By Hassan Dadashi Arani | Esfahan province. Iran

By Jose Lagos | Vaals, Netherlands

By Hassan Dadashi Arani | Esfahan. Iran

By David Perry | Timberwood Park, Texas, USA

By Dennis Schoenfelder | Alamosa Wildlife Refuge

By Jenny Mayor | Campbell River, British Columbia

By Patricio Leon | Santiago, Chile

By Cecille Kennedy | Depoe Bay, Oregon

By David Grapner | Hilton Head Island