By Hassan Dadashi . arani | Esfahan.iran

By Enrique Ferriño | Las Playitas. Cuatro Ciénegas Basin. Cuatro Ciénegas de Carranza, Coahuila, México

By John (Terry) Grage | Sebastian, Florida

By Sindi Terrien | Seekonk, MA, USA

By Jelieta Walinski Ph.D | Becida, MN, USA

By Nina Gorenstein | West Lafayette, IN, USA

By Terri Jonas | Mt. Rainier, Washington

By Stephanie Becker | San Francisco Bay Area, Moraga, CA

By Marvin Carter | Las Vegas, NV

By Laurie Engelhardt | Hermosa Beach, CA

By Chuck Reinhart | Vincennes, Indiana

By ADRIAN SELDEN | faringdon, Oxfordshire, UK

By Hassan Dadashi . arani | Esfahan.iran

By Peter Williams | Heathcote NSW Australia

By Richard Swieca | Ste. Agathe des Monts, Quebec, Canada

By Jeffrey Horne | Nashville, TN, USA & Bone Cave, TN, USA