A Fulani Pastoralist carries two baby sheep on her donkey cart as her family move on northwards in Barkedji, Senegal on July 21, 2020. Thousands of Pastoralist families will start the movement north in the next weeks. With the first rains comes fresh grass and water for the Fulani herders' livestock, it also marks the point where most of the Pastoralist will move northwards until the dry season. (Photo by John Wessels/AFP Photo)

Journalists wear face mask and keep distance as they attend news conference by German Health Minister Jens Spahn about the developing of the coronavirus crisis test strategy in Berlin, Germany, Thursday, August 6, 2020. (Photo by Markus Schreiber/AP Photo)

A CIT guard carries his gun handgun while bringing a bag containing cash inside an armoured vehicle during a money collection in Johannesburg's CBD, on December 8, 2020. As the Christmas festive season approaches, cash-in-transit (CIT) companies are gearing up as they continue to be target of crime, with about 3000 money vans traveling daily nationwide. Despite the COVID-19 lockdown, there have been 260 cash-in-transit heist incidents in South Africa this year, with 19 CIT crew members killed. Cash-in-transit heists in the country are often military-style planned operations with criminals recurring to bomb making and assault rifles attacks. (Photo by Michele Spatari/AFP Photo)

A flight crew from China Airlines, wearing protective masks, stand in the international terminal after arriving on a flight from Taipei at Los Angeles International Airport (LAX) on February 28, 2020 in Los Angeles, California. The World Health Organization (WHO) has raised the global coronavirus risk level to “very high”. (Photo by Mario Tama/Getty Images)

Men wear masks as they sit in the metro in Prague, Czech Republic, 17 March 2020. According to media reports, the Czech government decided to impose a two-week quarantine in the country on the evening of 15 March, and ban all international travel from 16 March 2020. Currently 383 cases of the coronavirus SARS-CoV-2, which causes the Covid-19 disease, have been officially confirmed in Czech Republic. (Photo by Martin Divisek/EPA/EFE)

Noah, 10, cools himself off in his garden during hot weather in Hertford, Britain, June 25, 2020. The UK is experiencing a summer heatwave, with temperatures in many parts of the country expected to rise above 30°C and weather warnings in place for thunderstorms at the end of the week. (Photo by Andrew Couldridge/Reuters)

People are seen through a window as they attend the traditional wedding ceremony of Emir's 7 children in Abuja, Nigeria, December 26, 2020. (Photo by Afolabi Sotunde/Reuters)

Chinese women dressed in traditional costumes and wearing masks visit a popular shopping street in Wuhan in central China's Hubei province, Saturday, January 23, 2021. A year after it was locked down to contain the spread of coronavirus, the central Chinese city of Wuhan has largely returned to normal, even as China continues to battle outbreaks elsewhere in the country. (Photo by Ng Han Guan/AP Photo)