By Frank Lu | Arlington, Texas, USA

By Zean Kurt Balboa | Cavite, Philippines

By Mark Wralstad | Virginia Beach, VA, USA

By Paul C. Peh | Palmer, AK, USA

By Patricio Leon | Santiago, Chile

By Steven Bellavia | Smithfield, VA

By Emily Kudron | Ennis. TX

By Roberto Ortu | Cabras, Sardinia, Italy

By Judith Gaffney | Birmingham, UK

By juan manuel pérez rayego | Valverde de Mérida, Spain

By Victor Rogus | Sedona, Arizona, USA

By Melissa Neadle | Bull Run Regional Park, Virginia

By Alexander Krivenyshev | New York City, NY

By Tony Everhardt | Ottawa National Wildlife Refuge. Ottawa County, Ohio

By Marcy Curran | Cheyenne, Wyoming

By Lorraine Boyd | Central Bridge, New York