By Brian Hannigan | Pennsylvania

By Keith Levins | Gobabeb Namibia

By Andy Dungan | Cotopaxi, CO USA

By Raul Cortes | Monterrey, Mexico.

By Raul Cortes | Monterrey, Mexico.

By Hassan Dadashi . arani | Qom province . Iran

By Najah Alsalihy | Baghdad/Iraq

By Albert leigh | Maunakea summit

By Elmarie van Rooyen | Smoky Lake Alberta, Canada

By Frahmita Faiza | Lembang, Bandung, West Java, Indonesia

By Nina Gorenstein | West Lafayette, IN, USA

By Patrick Prokop | Savannah, GA, USA

By Lisa Ann Fanning | Ocean bills, NJ

By Hassan Dadashi . arani | Qom province . Iran

By Karen Kletti | Jackson, WI

By Victor Rogus | Sedona, Arizona