Unforgiving temperatures of up to 60℃ (140℉) beat down on these saltminers on a daily basis. The mines, situated in the Afar Triangle in Ethiopia, stretch across 38,000 sq miles and at their lowest point are more than 300ft below sea level. Joel Santos travelled to capture the area’s dry, brutal beauty. Here: Dromedaries and donkeys are used to transport the salt. (Photo by Joel Santos/Barcroft Images)

Measuring just five feet at its widest point, the ultra-thin home was unveiled in the Polish capital of Warsaw on Sunday, October 21, 2012. Photo: The Keret House is squeezed into the space between two apartment buildings in Warsaw. There's a four-inch gap between the apartment buildings to either side. A perforated steel facade was used to allow in more light. (Photo by Andrea Meichsner/The New York Times)

A glasses-free Toshiba 55-inch 3-D 4x full HD TV shows the movie, “Coraline” at the 2012 International Consumer Electronics Show at the Las Vegas Convention Center January 11, 2012 in Las Vegas, Nevada. The TVs are scheduled to be available this year and will come with embedded cameras with facial recognition capability so depending on where you are sitting, the set will adjust the viewing point for the best 3-D experience. (Photo by Ethan Miller/Getty Images)

Scientists trekking for days to the undisputed furthest north land point on the planet, in October 2024 were greeted by an unexpected welcoming party: a stoat, whom they named Randall. The team were heading to Kaffeklubben Island, also known as Inuit Qeqertaat, off the northern tip of Greenland, about 440 miles from the North Pole, when Randall emerged from a cairn of rocks, showing no fear as he went to investigate them. (Photo by Jeff Kerby/Magnus News)

A US soldier (C) point his gun towards an Afghan passenger at the Kabul airport in Kabul on August 16, 2021, after a stunningly swift end to Afghanistan's 20-year war, as thousands of people mobbed the city's airport trying to flee the group's feared hardline brand of Islamist rule. (Photo by Wakil Kohsar/AFP Photo)

Alexo Carmona, 2, looks at Coco, a two-year-old pony, in downtown Havana, in this March 6, 2015 file photo. Nearly a quarter of a million people follow the Reuters Instagram account – and it's still growing fast. To mark the mid-point of 2015, Reuters has compiled the twenty most-liked pictures so far. This picture was 20th most popular. (Photo by Alexandre Meneghini/Reuters)

Isaiah Bowen, right, takes a shot as his dad, Garth Bowen, center, looks on at a basketball hoop in front of the statue of Confederate General Robert E. Lee on Monument Avenue Sunday June 21, 2020, in Richmond, Va. A judge extended an injunction delaying the removal of the statue by the state. The statue had become a focal point for the Black Lives Matter movement in Richmond. (Photo by Steve Helber/AP Photo)

A horse is ridden out of the River Eden after being washed on the first day of the Appleby Horse Fair on June 7, 2018 in Appleby, England. The fair is an annual gathering for Gypsy, Romany and travelling communities. The event has existed under the protection of a charter granted by James II since 1685 and it remains one of the key meeting points for these communities. Around 10,000 travellers are expected to attend the event who traditionally come to buy and sell horses and it offers an opportunity for the traveller community to come together to celebrate their heritage and culture. (Photo by Ian Forsyth/Getty Images)