An Indigenous man stands under a water fountain outside a government building in Brasilia, on April 26, 2019, during the last day of a protest camp. Approximately 4,000 indigenous people from different tribes are taking part in protests during the Indigenous National Mobilization (MNI) week, a mobilization which seeks to tackle territorial rights' negotiations with the government. (Photo by Carl De Souza/AFP Photo)

People try to catch offerings thrown off the summit of Mount Bromo volcano by Tengger tribe members and local tourists in Probolinggo, East Java province on July 18, 2019, as part of the Yadnya Kasada Festival. During the annual Yadnya Kasada festival, the Tenggerese climb Mount Bromo, an active volcano, and seek the blessing from the main deity by presenting offerings of rice, fruit, livestock and other items. (Photo by Juni Kriswanto/AFP Photo)

At 10,582 square kilometres, the Bolivian salt flats – otherwise known as Salar de Uyuni – are the largest on the planet and contain between 50 and 70% of the world’s lithium reserves. After exploring Chile and Argentina, photographer Joel Santos decided to travel to Bolivia in January 2017 to check the salt flats off his bucket list. With an electrical storm rolling in, Joel and his two travelling companions were the only souls left on the vast flats and captured the eerie flats without a person in sight. (Photo by Joel Santos/Barcroft Images)

Scott Meiklejohn gets into character as a mummy during a photo call on October 10, 2019 in Stirling, Scotland ahead of “Hallowild”, Blair Drummond Safari Parks annual Halloween event. This years theme in the haunted walkway is an egyptian tomb with special 3D effects alongside actors playing the roles of Pharaohs and Mummies. (Photo by Andrew Milligan/PA Images via Getty Images)

Advanced Space Suit Engineer at NASA Kristine Davis wears the xEMU prototype space suit for the next astronaut to the moon by 2024, during its presentation at NASA headquarters in Washington, U.S., October 15, 2019. (Photo by Carlos Jasso/Reuters)

A group of colourful dancers from the Kumari Shiksha Dance Institution light colourful clay lamps in preparation to celebrate Diwali during the two day Diwali (Festival of Lights) Hindu festival celebrations at the old Drive-Inn in Durban, on October 19, 2019. The two-day festival attracts over 100,000 visitors. The festival celebrations include, parading of floats, chariots, singing of devotional songs, dances, games, face painting, food stalls of vegetarian food, clothing, display of toys and jewellery. Young people also get the opportunity to showcase their cultural and spiritual talents. A billion Hindus worlwide will officially celebrate Diwali on 27 October 2019. (Photo by Rajesh Jantilal/AFP Photo)

A Kurdish fighter from the People's Protection Units (YPG) fires his rifle at Islamic State militants as he runs across a street in Raqqa, Syria, July 2017. (Photo by Goran Tomasevic/Reuters)

LiLou the therapy pig stands in front of a departures board at San Francisco International Airport in San Francisco, California, U.S. October 4, 2019. (Photo by Jane Ross/Reuters)