Students of the "Escola de Papai Noel do Brasil" (Brazil's school of Santa Claus) travel on a ferry through Guanabara bay, during their graduation ceremony in Rio de Janeiro, Brazil, November 10, 2015. The school holds 4 days' lessons in Santa-training, teaching Christmas carols, how to interact with children, and also how to wear the heavy red suit in Rio's typical 104-degree (40 degrees celsius) summer weather that is common around the holidays. (Photo by Pilar Olivares/Reuters)

A soldier stands guard on the aircraft park of the Pyongyang Airport on April 3, 2011 in Pyongyang, North Korea. Pyongyang is the capital city of North Korea and the population is about 2,500,000.

Passengers wearing protective masks travel on an over crowded train towards capital city, amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, July 8, 2020. (Photo by Dinuka Liyanawatte/Reuters)

A young woman looks at her smartphone sitting in front of a mannequin use to keep social distancing at a Chinese cuisine restaurant in Tokyo, Japan, 27 July 2020. Japan's total number of COVID-19 cases crossed the 30,000 line showing the new coronavirus pandemic is spreading across the country and not only in Tokyo and Osaka megalopolis. (Photo by Franck Robichon/EPA/EFE)

People walk with their belongings in a flooded area after the Nile river overflowed after continuous heavy rain which caused thousands of people to be displaced in Bor, central South Sudan, on August 8, 2020. (Photo by Akuot Chol/AFP Photo)

A woman hangs red chillies to dry outside her house at Khokana village on the outskirts of Kathmandu on August 5, 2020. (Photo by Prakash Mathema/AFP Photo)

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)