By Paul Senyszyn | Bear Basin Butte Lookout, Del Norte County, California

By Ken Chan | Half Moon Bay, CA, USA

By Cody Helms | Castle Rock, CO

By Andrew Stone | Cave Creek, AZ, USA

By Steven Bellavia | Oliverea-Big Indian Valley, NY

By Hassan Dadashi Arani | Fars province. Iran

By Laurie Engelhardt | Hermosa Beach, CA

By Navjot Singh | Siswan Nature Trail, Punjab, India

By Samit Saha | Tumin, Sikkim, India

By Hassan Dadashi Arani | Fars province. Iran

By Sudhir Sharma | Stormville, NY

By Cecille Kennedy | Philomath, Oregon

By Shaurya Salunkhe | Velhe, Maharashtra, India

By Julie Machado | Auckland, New Zealand

By Duane Brown | Cater Hill near Scappoose Oregon

By Mario Rana | Hampton, Virginia