By Gontran Eleizalde | Caracas - Venezuela

By Gontran Eleizalde | Caracas - Venezuela

By Eliot Herman | Utah Desert Observatory

By Hassan Dadashi . Arani | Esfahan. Iran

By Brenda J. | Tacoma, Washington

By Patricio Leon | Santiago, Chile

By Mike Baxter | Springfield Missouri

By Victoria Buckman | Earlton, FL

By Peter Lowenstein | Mutare, Zimbabwe

By Margaret Carter | Manhattan Beach, CA USA

By Hassan Dadashi . Arani | Esfahan. Iran

By Jose Pedrero | Snaefellsbaer, Iceland

By S. Ahil Ayyanar | kanhangad, Kerala, India

By Hassan Dadashi . Arani | Esfahan. Iran

By Stefan Seyb | Greenbelt Land Trust, Mulkey RidgeTrail, near Corvallis, Oregon, USy

By Jeremy Likness | Newport, OR, USA