People use snowshoes during a tour of the Great Kemeri Bog, Latvia, October 17, 2015. The Kemeri bog is more than 8,000 years old and is one of the largest dry moss swamps in the Baltics. A more than decade-long joint restoration of the bog by the European Union and the Latvian government helped the bog recover its high moss marshes, damp black alder forests, floodplain meadows and seaside lakes – features now considered rare in Europe due to industrialisation. (Photo by Ints Kalnins/Reuters)

Internally displaced Syrian children play inside a refugee camp in the Hama countryside, Syria January 1, 2016. (Photo by Ammar Abdullah/Reuters)

Internally displaced people who fled flooding of the overflowed Shabelle river rest after receiving relief assistance near Baledweyne town in central Somalia, June 22, 2016. (Photo by Feisal Omar/Reuters)

Climbers “painted” the Matterhorn red this week to celebrate a special anniversary. A group of mountaineers left red beacons along the route of the famous climb, which is one of the highest mountains in the Alps, and as nightfall came the imposing mountain came alive with colour. The event was organised by clothing brand Mammut to celebrate the 150th anniversary of the first explorers to scale the mountain. (Photo by MSN UK/Mammut)

Competitors take part in the Red Bull Crashed Ice Cross Downhill World Championship in Marseille, France, January 14, 2017. (Photo by Jean-Paul Pelissier/Reuters)

An artist airbrushes a model during the “World Bodypainting Festival 2017” in Klagenfurt, Austria on July 28, 2017. (Photo by Leonhard Foeger/Reuters)

Indian performers painted as tigers take part in the “Pulikali”, or Tiger Dance, in Thrissur on September 17, 2016. The folk-art event is held every year in the town during the “Onam” festival. (Photo by Arun Sankar/AFP Photo)

Victor Peralta from Uruguay gestures during the fourth International Tattoo Convention in Quito, September 25, 2016. (Photo by Kevin Granja/Reuters)