By Paolo Bardelli | Sumirago (Varese), Italy

By Victor Rogus | Sedona, Arizona, USA

By Ceyda Toktaş | Istanbul, Turkey

By Ed Chris | Porlamar

By Hadley Johnson | Santa Barbara Mission, California

By Stephen Montag | Livingston, NJ USA

By Craig Farris | Davis, California

By David Hawkes | South Yorkshire

By James Malone | Columbia, Connecticut USA (41.67357° N, 72.34135° W)

By Damien Mallon | Athens, Greece

By Malini Santra | San Jose, California, USA

By Kannan A | Woodlands, Singapore

By Kellie Roberge | Berwick, ME

By Tanya Arvold | Altamonte Springs, Florida

By Heidi Rodarte | Austin, Tx, USA

By JOSE PALMA | Achada do Gamo-Mertola-Portugal