Women perform yoga on a dried river bank in Yunyang county, Chongqing Municipality, August 21, 2016. (Photo by Reuters/China Daily)

A boy removes rain water from his hut after a heavy downpour in Karachi, Pakistan, 28 August 2016. Heavy monsoon rains across the country has claimed dozens of lives in last few weeks as Pakistan Meteorological Departmen office predict more rains in coming days. (Photo by Shahzaib Akber/EPA)

A Hawaiian cleaner wrasse provides its cleaning services to a yellowfin goatfish in a reef community off the Big Island in Hawaii. Cleaner species help rid their hosts of ectoparasites, dead tissue, bacteria and fungi. Studies have shown cleaning to play a vital role in keeping many reef ecosystems healthy. (Photo by Marty Snyderman/Caters News Agency)

Convicted murderer Hector Alvarado Mazariegos, right, drops to the ground as he is hit by bullets of a Guatemala firing squad in the public cemetery at Mazatenango, June 28, 1975. His companion, Rocael Ortiz, met the same fate a few seconds later. Both were convicted of murder. (Photo by AP Photo/Anzueto)

Lebanese people take pictures for damaged grain silos in Beirut port following a huge explosion rocked the city in Beirut, Lebanon, 23 August 2020. According to Lebanese Health Ministry at least 181 people were killed, and more than 6,000 injured in the Beirut blast that devastated the port area on 04 August and believed to have been caused by an estimated 2,750 tons of ammonium nitrate stored in a warehouse. (Photo by Wael Hamzeh/EPA/EFE)

A girl poses in antlers ahead of a curfew on pub in Nottingham, a city in central England’s Midlands region on September 21, 2020 as Freshers' Week got underway. Revellers were also pictured out in Birmingham, which was plunged into a local lockdown amid a surge in coronavirus cases. (Photo by Ashley Kirk/The Sun)

A staff member of Yutian County poses for a video on marigold industry at an agricultural industrial park in Yutian County, northwest China's Xinjiang Uygur Autonomous Region, September 20, 2020. As one of the five counties in Hotan Prefecture that have not been lifted out of poverty, Yutian County is accelerating its steps to shake off poverty by planting marigold. (Photo by Chine Nouvelle/SIPA Press/Rex Features/Shutterstock)

A woman poses for a photo in the tourist area surrounding Houhai Lake during Chinese National Day holidays in Beijing, China, October 2, 2020. China is celebrating its national day marking the 71st anniversary of the People's Republic of China and the Mid-autumn Festival for a week beginning on October 1st. (Photo by Thomas Peter/Reuters)