By Frank Lu | Arlington, Texas, USA

By Susan Kuusela | Hallstahammar Sweden

By Andy Dungan | Near Cotopaxi, Colorado USA

By Hassan Dadashi Arani | Esfahan province. Iran

By Daamon Parker | Melbourne, Victoria, Australia

By Kevan Hubbard | Newcastle ,Northumberland ,England

By David Hawkes | Sheffield, UK

By Alexander Krivenyshev | NCL cruise ship Norwegian Gem, Bahamas

By Hassan Dadashi Arani | Esfahan province. Iran

By Hassan Dadashi Arani | Esfahan province. Iran

By Chuck Reinhart | Vincennes, Indiana

By Randy Strauss | Big Elk Lake, Nebraska

By Josephine Sane | Melfort, Saskatchewan. Canada

By Patricio Leon | Santiago, Chile

By Michael Flynn | Pine Mountain Club,California,USA

By Eliot Herman | Tucson AZ