A South China Tiger cub meets public at Guangzhou Zoo on June 22, 2017 in Guangzhou, Guangdong Province of China. Guangzhou Zoo boasts of the successful breeding of South China Tiger cub after 15 years. (Photo by VCG/VCG via Getty Images)

An employee sorts waste at the Wecycler recycling centre in Ebutte Meta district in Lagos, Nigeria July 28, 2016. (Photo by Akintunde Akinleye/Reuters)

A girl collects drinking water at Dala river outside Yangon, Myanmar March 3, 2016. Some 650 million people, or one in 10 of the world's population, have no access to safe water, putting them at risk of infectious diseases and premature death. Dirty water and poor sanitation can cause severe diarrhoeal diseases in children, killing 900 under-five a day across the world, according to United Nations estimates. (Photo by Soe Zeya Tun/Reuters)

The Wadi al-Salam cemetery, Arabic for “Peace Valley”, is seen in Najaf, south of Baghdad, Iraq August 3, 2016. The world's largest cemetery, in Iraq's Shi'ite holy city of Najaf, is expanding at double its usual rate as Shi'ite militias bury their dead from the war against Islamic State. The Wadi al-Salam cemetery, Arabic for “Peace Valley” has a special place in the hearts of Shi'ite Muslims as it surrounds the Mausoleum of their first imam, Ali Bin Abi Talib, a cousin and son-in-law of Prophet Mohammad. (Photo by Alaa Al-Marjani/Reuters)

People visit Luke Jerram's “In Memoriam”, a temporary memorial artwork for all those who lost their lives due to COVID-19, in Seaton Carew Park, Hartlepool, Britain on August 20, 2021. (Photo by Lee Smith/Reuters)

A long exposure photograph shows a tree burning during the Kincade fire off Highway 128, east of Healdsburg, California on October 29, 2019. California braced on October 29 for the most powerful winds this season that threaten to spread destructive fires raging in the state and could spark new blazes. (Photo by Philip Pacheco/AFP Photo)

Beach goers sunbath inside a new large scale interactive art work by artist Gregor Schneider entitled “Bondi Beach” at Sydneys Bondi Beach on September 28, 2007 in Sydney, Australia. (Photo by Sergio Dionisio/Getty Images)

Snow blows off the Svalbard Global Seed Vault before being inaugurated at sunrise, Tuesday, February 26, 2008. (Photo by John McConnico/AP Photo)