Bison along the Bitterroot Valley's Eastside Highway north of Stevensville, Montana, are covered in snow following a blizzard on November 23, 2010. (Photo by Perry Backus/The Missoulian)

People manoeuvre into position as they take part in a mass nude art installation entitled Sea of Hull by New York based artist Spencer Tunick in Hull, England, Saturday July 9, 2016. (Photo by Danny Lawson/PA Wire via AP Photo)

In this Monday, March 28, 2016 photo, trainer Catrina Bloomquist works with Nav, an 11-year-old rescued California sea lion, as part of a new exhibit opening at the Georgia Aquarium. The aquarium is in the midst of celebrating its tenth anniversary, and as part of the festivities, patrons will be introduced to the newest faces in Atlanta, a group of rescued California sea lions. (Photo by David Goldman/AP Photo)

Photographer Mihaela Noroc travelled the world from Ethiopia to the US and from Guatemala to France in search of natural and authentic beauty. She introduces some of the inspiring women she met on her journey. Here: Ecuador. “More and more tribes of Amazonia are starting to adopt modern clothes for everyday life. But they are still keeping their traditional clothes for important events. I photographed this young woman in her wedding outfit”. (Photo by Mihaela Noroc/The Guardian)

An F/A-18 Hornet assigned to Strike Fighter Squadron One Five One (VFA-151) emerges from a cloud created when it broke the sound barrier in the skies over the Pacific Ocean, July 7, 1999. (Photo by John Gay/US Navy)

A man has photographed a stunning set of images of beauty and the beast – as his wife poses in front of epic storms. Nicolaus Wegner, 34, snaps other half Daow, 32, dangerously close to tornadoes and lightning storms. But the results are spectacular – as she stands fearlessly looking towards Mother Natures most extreme creations. Here: Tornadic – Daow looking at the storm. (Photo by Nicolaus Wegner/Caters News)

Members of the public admire trees displaying their autumn colours at the Royal Horticultural Society Garden Wisley on October 26, 2011 in Wisley, England. Many deciduous trees have now changed colour as they begin to shed their leaves for Autumn. An extended period of leaf colour change has come about this year due to a warm, dry Spring prompting an early growth spurt and a premature colour change. (Photo by Oli Scarff/Getty Images)