By Bartłomiej Grzywacz | Poland

By Roberto Ortu | Cabras, Sardinia, Italy

By ROBERTO BURKLE | Playa del Carmen. Quintana Roo, México

By Roberto Ortu | Cabras, Sardinia, Italy

By Bill Kozar | My house in Taylorsville, Indiana. USA

By Abhishek Konale | Jaisalmer, India

By Roberto Ortu | Cabras, Sardinia, Italy

By Brian Martin | Norco, CA USA

By Bill Kozar | Taylorsville, Indiana. USA

By Roberto Ortu | Cabras, Sardinia, Italy

By Rob Koplitz | East China Sea south of Jeju island.

By Bill Kozar | Taylorsville, Indiana. USA

By Roberto Ortu | Cabras, Sardinia, Italy

By ROBERTO BURKLE | Playa del Carmen, Quintana Roo, México

By Roberto Ortu | Cabras, Sardinia, Italy

By Brendan O’Neill | Belfast, Madison Avenue.