By Roger Oban | Tucson, AZ

By Nina Gorenstein | West Lafayette, IN, USA

By Eliot Herman | Tucson AZ

By David Hoskin | Halifax, Nova Scotia, Canada

By Ken Chan | Redwood City, CA, USA

By Kannan A | Singapore

By Sanika Gawas | Mumbai, Maharashtra, India

By Donna Collins | Backyard Warrior, AL

By Gerald Tan | Woodlands, Singapore

By Eliot Herman | Tucson AZ

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

By Param Sharma | Marshfield,WI,USA

By Lorraine Boyd | Thompsons Lake, Knox NY

By John Merriam | Canaveral National Seashore

By Kannan A | Singapore

By Hassan Dadashi . arani | Esfahan.iran