By Gerald Tan | Woodlands, Singapore

By David Byers | Arches National Park

By Chirag Upreti | Bronx, NY

By Steven Bellavia | Southold, NY

By Luiz Vaz | New York

By Marek Nikodem | near Szubin, Poland

By Nancy Tompkins | Prescott, AZ

By Stephen Rahn | Kennesaw, Georgia

By Nina Gorenstein | West Lafayette, IN, USA

By Eliot Herman | Tucson AZ

By Arya Jayatilaka | Kalamazoo, MI

By James Trezza | Mt. Sinai, NY

By Mohamed Mohamed | Libya , Al Wahat District

By GREG REDFERN | Central VA, USA

By Frank Lu | Arlington, Texas, USA

By Rita Raina | Rockville, Maryland, US