By Jelieta Walinski Ph.D | Saguaro National Park West, AZ, USA

By Steven Sweet | Toronto Ontario Canada

By Paula Topliffe | Ashland,MA, USA

By Stephen Montag | Livingston, N.J.

By Dolores Moreno | Highland, CA

By Patricio Leon | Santiago, Chile

By Jeremy Evans | Eastern Sierra, CA

By Karin Cousineau | Burlington, NC, USA

By Lorraine Boyd | Delmar, New York

By Marcy Curran | Cheyenne, Wyoming

By Hassan Dadashi Arani | Esfahan province. Iran

By Ian Hudson | Penarth, South Wales, UK

By Rachelle Hall | St. Louis, MO, USA

By Jim Militello | Tucson, Arizona USA

By Victor Rogus | Sedona. Arizona, USA

By Cecille Kennedy | Oregon Coast, Oregon