By Frank Lu | Arlington, Texas, US

By Victoria Bryhan | Finley National Wildlife Refuge

By Nina Gorenstein | West Lafayette, IN, USA

By Patricio Leon | Santiago, Chile

By Mandy Daniels | Derbyshire, UK

By Mario Rana | Hampton, Virginia

By Roberto Ortu | Cabras, Sardinia, Italy

By Asha Prasad | Minnesota, USA

By David Hawkes | South Yorkshire, UK

By Sonia Turkington | Reddish, Cheshire

By Victor Rogus | Sedona, Arizona, USA

By Craig Ruark | Peccole Ranch, Las Vegas, Nevada, USA

By Kevan Hubbard | Teesmouth Nature Reserve ,Co Durham ,England

By Sudhir Sharma | Stormville, NY

By Jelieta Walinski Ph.D | Desert Bloom Observatory, AZ, USA

By Aayan Shaikh | Sindhudurg, Maharashtra, India