Salar de Uyuni (or Salar de Tunupa) is the world's largest salt flat at 10,582 square kilometers (4,086 sq mi). It is located in the Potosí and Oruro departments in southwest Bolivia, near the crest of the Andes, and is elevated 3,656 meters (11,995 ft) above mean sea level. The Salar was formed as a result of transformations between several prehistoric lakes. It is covered by a few meters of salt crust, which has an extraordinary flatness with the average altitude variations within one meter over the entire area of the Salar.

“With the traditional tapping-ritual, the Oktoberfest has been opened on saturday, September 22, 2012. Despite the rather wet weather on saturday, the first weekend was te xpeted sucess: Approximately 850.000 guests from Munich, Bavaria, the rest of Germany and from all over the world came to visit the 179th Oktoberfest on the opening weekend. About one million liters of beer and about nine oxen have already been sold”. – Oktoberfest.de. (Photo by ◊CHЄЄKY◊MINX◊PHOTO◊DIARY◊)

Jewish children in fancy dress during the annual Jewish holiday of Purim on March 12, 2017 in London, England. Purim is celebrated by Jewish communities around the world with parades and costume parties. Purim commemorates the defeat of Haman, the advisor to the Persian king, and his plot to massacre the Jewish people, 2,500 years ago, as recorded in the biblical book of Esther. (Photo by Dan Kitwood/Getty Images)

19 individually themed and hand crafted art suites have been newly designed by creatives from across the world – from a swedish artist who made a giant snow elephant in the room, to a french team who fused snow, ice and disco into a groovy sleeping experience. Each year, the hotel creates a new series of artist-designed accommodation spaces that add to the existing landscape of private rooms. (Photo by Icehotel.com/Exclusivepix Media)

When Colin Garratt went to photograph the traditional sentinels of the British countryside, he found they ranged from the dapper to the downright sinister. “They are not from the anaesthetised world of the craft fair”, says Colin Garratt, “but are the direct descendants of the ancient spectres which have haunted the landscape for centuries”. The Scarecrow Exhibition is at Geddes Gallery, London, from 25 to 30 March. (Photo by Colin Garratt)