Layers of breathtaking colour streak the rolling hills of this vast desert, making the landscape appear as though it has been tie-dyed. The natural phenomenon, nicknamed the “Painted Desert”, was formed when the area was once a river floodplain. Each colour corresponds to a different underground geological feature – rocks which have seemingly dyed the layers of earth above. Formed from volcanic activity, the hills at the John Day Fossil Beds National Monument in East Central Oregon, USA, are almost bursting with colour. Pictured: The colourful hills at the John Day Fossil Beds National Monument in East Central Oregon, USA. (Photo by Mark Brodkin/Solent News/SIPA Press)

A craftsman makes imitation bread samples at The Sample Factory on February 25, 2008 in Gujo, Gifu, Japan. Gujo City has more than a 50 percent share of the imitation vinyl chloride samples industry. Replica foods are used in most restaurant window displays in Japan, and are popular as souvenirs for tourists. (Photo by Koichi Kamoshida/Getty Images)

In this photo taken Wednesday, November 26, 2014 attack dogs and their handlers apprehend a “rhino poacher” center, after alighting from a helicopter into water, in a simulation exercise showing training at an academy run by the Paramount Group, near Rustenburg, South Africa. The course prepares canine units to find firearms or contraband, track suspects in the undergrowth and abseil in harnesses from helicopters in pursuit of poachers. Dogs and handlers learn to trust each other and fine tune a relationship balancing control and aggression. (Photo by Denis Farrell/AP Photo)

Border Security Force (BSF) “Daredevils” women motorcycle riders perform during a rehearsal for the Republic Day parade on a cold winter morning in New Delhi, January 10, 2018. (Photo by Adnan Abidi/Reuters)

Fishermen pull a net containing fish from a pond during the traditional carp haul near the village of Belcice, Czech Republic, October 25, 2016. Carp, the traditional Czech Christmas Eve dinner, is harvested primarly from the region of southern Bohemian lakes. (Photo by David W. Cerny/Reuters)

Cattle are the most important way of livelihood for the Karamojong: they provide milk, meat, blood and money when sold, Karamoja, Uganda, February 2017. (Photo by Sumy Sadurni/Barcroft Images)