By Rui Santos | Leiria, Portugal

By Hassan Dadashi Arani | Esfahan province. Iran

By Rick Williams | Woodland, CA

By JOSE ROBERTO BURKLE | Play del Carmen, Quintana Roo, México.

By Matthew Shope | White Haven, Pennsylvania, USA

By Jonathan Charles Fox | Bethel, NY

By Kevan Hubbard | Seaton Carew ,Co Durham ,England

By Richard Swieca | Hillsboro Beach, Broward County, Florida

By Mohammed Abdallah | Suez, Egypt

By Mohamed Mohamed | Tripoli,Libya

By Hassan Dadashi Arani | Esfahan province. Iran

By Cecille Kennedy | Lincoln City, Oregon

By Victoria Bryhan | Yaquina Head looking at Agate Beach, Newport, Oregon

By Hassan Dadashi Arani | Esfahan province. Iran

By Patricio Leon | Santiago, Chile

By Eliot Herman | Utah Desert Observatory