By Rui Santos | Leiria, Portugal

By Elmarie van Rooyen | Sherwood Park, AB, Canada

By Stephen Montag | Livingston, NJ

By Patricio Leon | Santiago, Chile

By Samantha Anderson | Bulgaria

By Ray Tolomeo | Manassas, Virginia

By CAIRBRE Ó CIARDHA | Killiney Dublin Ireland

By Lou Musacchio | Montreal, Quebec, Canada

By George Bokovos | Aggeloxori, Greece

By Michael OBrien | Hammondville, Alabama

By John Dvorak | Hawaii Volcanoes National Park, Hawaii

By Mohamed Farouk | Cairo, Egypt

By Filipp Romanov | Yuzhno-Morskoy, Nakhodka, Russia

By Emily Crowell | Nashville, TN, USA

By Kartik Kota | Wales, United Kingdom

By Susan Colosimo | Mount Wilson, California