This combination of August 30, 2005 and July 29, 2015 aerial photos shows downtown New Orleans and the Superdome flooded by Hurricane Katrina and the same area a decade later. Katrina's powerful winds and driving rain bore down on Louisiana on August 29, 2005. The storm caused major damage to the Gulf Coast from Texas to central Florida while powering a storm surge that breached the system of levees that were built to protect New Orleans from flooding. (Photo by David J. Phillip/Gerald Herbert/AP Photo)

Wakhi nomad women milk yaks in Wakhan, Afghanistan. About 12,000 villagers live at an altitude of 4,500 metres in the harsh, desolate terrain. The Wakhi people live a simple, relaxed life with their livestock. (Photo by Eric Lafforgue/Barcroft Images)

Meet the star students of orangutan school – the unique rehab centre where orphaned apes are taught how to climb trees and survive in the wild without their mum and dad. (Photo by Caters News)

“Natacha Pisarenko was born in Buenos Aires and studied photography at that city’s School of Photographic Arts. Pisarenko currently works out of Buenos Aires, Argentina. She started her career in 1988 as a photographer for La Nación, one of Argentina’s largest newspapers, then joined the AP in Buenos Aires in 2002”. – Associated Press. Photo: A fan wearing leggings marked with the stripes of Great Britain's flag rests on the grass at the rowing venue in Eton Dorney, near Windsor, England, at the 2012 Summer Olympics, Monday, July 30, 2012. (Photo by Natacha Pisarenko/AP Photo)

A hot air balloon depicting a dog that participates in the International Hot Air Balloon Festival, flies over Leon, Guanajuato state, Mexico, on November 14, 2020, amid the COVID-19 coronavirus pandemic. The festival, in which 100 air balloons participate, was held without spectators to avoid crowds and prevent contagion. (Photo by Ulises Ruiz/AFP Photo)

A mural painting by graffiti artist Eme Freethinker features likenesses of US President Donald Trump (R) and Chinese premier Xi Jinping wearing face covers in Berlin on April 28, 2020 amid the new coronavirus COVID-19 pandemic. (Photo by John Macdougall/AFP Photo)

Iraqi firefighters try to stop the fire of burning oil wells in Kirkuk, northern Iraq, 02 June 2016. Two Khabbaz oil field wells in Kirkuk Province, northern Iraq, exploded by suspected insurgents, a security official said. (Photo by EPA/Stringer)

Syrian civil defence volunteers, known as the White Helmets, rescue a boy from the rubble following a reported barrel bomb attack on the Bab al- Nairab neighbourhood of the northern Syrian city of Aleppo on November 24, 2016. (Photo by Ameer Alhalbi/AFP Photo)