A silkmoth that has hatched out of its cocoon is seen at the Campoverde cooperative, Castelfranco Veneto, Italy June 4, 2015. Despite having wings, the adult moth cannot fly. Clusters of silkworms munch on piles of locally-grown mulberry leaves in a white marquee in Italy's northern Veneto region. They are nourishing hopes of a revival of Italy's 1,000 year-old silk industry. (Photo by Alessandro Bianchi/Reuters)

A man carries a dog and wades through a flooded street in Chennai, in the southern Indian state of Tamil Nadu, Wednesday, December 2, 2015. Weeks of torrential rains have forced the airport in the state capital Chennai to close and have cut off several roads and highways, leaving tens of thousands of people stranded in their homes, government officials said Wednesday. (Photo by AP Photo)

Ivan Shamyanok, 90, shaves in his house in the village of Tulgovichi, near the exclusion zone around the Chernobyl nuclear reactor, Belarus March 15, 2016. “My sister lived here with her husband. They decided to leave and soon enough they were in the ground ... They died from anxiety. I'm not anxious. I sing a little, take a turn in the yard, take things slowly like this and I live”, he said. (Photo by Vasily Fedosenko/Reuters)

In this photo taken on Monday, August 5, 2019, a family watches explosions at a military ammunition depot near the city of Achinsk in eastern Siberia's Krasnoyarsk region, in Achinsk, Russia. Russian officials say powerful explosions at a military depot in Siberia left 12 people injured and one missing and forced over 16,500 people to leave their homes. (Photo by Dmitry Dub/AP Photo)

People are seen at Avalon Beach on December 18, 2020 in Sydney, Australia. A cluster of Covid-19 cases on the northern beaches of Sydney has grown to 28, prompting NSW health officials to urge residents of affected suburbs to stay home. Traffic at Sydney Airport has increased as people rush to leave the city with several states imposing quarantine restrictions for New South Wales residents. (Photo by Jenny Evans/Getty Images)

Students at Godolphin School, Salisbury, England, receive their A-Level results on Thursday August 13, 2020. Thousands of school-leaving children in Britain have been left distraught after finding out Thursday that they were given lower-than-expected grades, with many questioning how the results were calculated after the coronavirus pandemic cancelled exams key for college applications. (Photo by Russell Sach/The Telegraph)

A man reacts as health workers help collect a nasal swab sample to test for COVID-19 in Hyderabad, India, Thursday, September 17, 2020. As India’s coronavirus confirmed cases jump by a record 97,894 cases in the past 24 hours, Prime Minister Narendra Modi’s government faced a scathing opposition criticism in Parliament for its handling of the pandemic and a contracting economy leaving millions jobless on Thursday. (Photo by Mahesh Kumar A./AP Photo)

A child stops by a large print at a photographic memorial for those killed in the confrontation between Ukraine's military and the pro-Russia separatist forces in Sievierodonetsk, Luhansk region, eastern Ukraine, Wednesday, February 23, 2022. Ukraine urged its citizens to leave Russia, and Europe braced for further confrontation Wednesday after tensions escalated dramatically when Russia's leader received authorization to use military force outside his country and the West responded with a raft of sanctions. (Photo by Vadim Ghirda/AP Photo)