By Victor C. Rogus | Sedona, Arizona

By Larry Hollar | Hasty Lake, John Martin State Park, Hasty, CO

By Kannan A | Woodlands, Singapore

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By Michael Terhune | Lunenburg MA, USA

By Ara Tatarian | Sacramento, CA.

By Aurelian Neacsu | Visina, Dambovita, Romania

By Cristina Dachnowska | Točnik, Czech Republic

By David Nasser | Monument CO

By Victor C. Rogus | Sedona, Arizona

By Victor C. Rogus | Sedona, Arizona

By Hazman Misjan | Kuala Lumpur, Malaysia

By Matthew Chin | Hong K9ng

By padraig houlahan | home computer

By Karthik Easvir | Madurai, Tamilnadu, India

By Nicholas Holshouser | Blue Ridge Parkway Milepost 410, North Carolina, USA