A security man keeps guard during Malawi's President elect Arthur Peter Mutharika swearing in ceremony at Kamuzu Stadium in Blantyre on May 28, 2019, after a contentious election marred by allegations of fraud and vote-rigging. The Malawi Electoral Commission announced on Monday that Mutharika, who heads the ruling Democratic Progressive Party (DPP), had narrowly won last week's vote after an injunction barring the release of the results was lifted. (Photo by Amos Gumulira/AFP Photo)

Children play with the waves at the Malecon in Havana, on September 29, 2022, in the aftermath of Hurricane Ian. Authorities were slowly restoring electricity in Cuba following a power outage in the country caused by Hurricane Ian, which killed two people and left widespread damage. (Photo by Yamil Lage/AFP Photo)

Model Heidi Klum attends her 8th Annual Halloween Party at The Green Door on October 31, 2007 in Los Angeles, California. (Photo by Charley Gallay/Getty Images)

Children feeding the birds in this Victorian Christmas greetings card. (Photo by Hulton Archive/Getty Images). Circa 1885

The Andromeda Galaxy, the nearest major galaxy to the Milky Way, can be seen shining above a remote village in Switzerland. The cinematic images convey the beauty of the galaxy gleaming above the picturesque Swiss mountains. Photographer Sandro Casutt took the amazing snaps in different seasons throughout the year, from his home valley of Vals, Switzerland. Here: A view of the sky from the Zervreila Mountain Lagoon in Switzerland. (Photo by Sandro Casutt/Caters News)

Kerry Katona (L) seen attending OK! Magazine's 25th anniversary party at The View from the Shard on March 21, 2018 in London, England. (Photo by Splash News and Pictures)

Growing cities, overuse of fertilizers and factory wastewater have degraded China's water supplies to the extent that half the nation's rivers and lakes are severely polluted. China aims to spend $850 billion to improve filthy water supplies over the next decade, but even such huge outlays may do little to reverse damage caused by decades of pollution and overuse in Beijing's push for rapid economic growth. Photo: Fishermen row a boat in the algae-filled Chaohu Lake in Hefei, Anhui province, June 19, 2009. (Photo by Jianan Yu/Reuters)