A man walks with his son as they buy a lantern ahead of the holy fasting month of Ramadan, in Sanaa, Yemen, April 10,2021. Picture taken April 10, 2021. REUTERS/Nusaibah Almuaalemi

A woman buys traditional bead accessories as she shops ahead of the holy fasting month of Ramadan, in Sanaa, Yemen, April 10,2021. Picture taken April 10, 2021. REUTERS/Nusaibah Almuaalemi

People are seen in the area known as the "flow" where people buy and use drugs in an area known as "cracolandia," or crackland, a dangerous wasteland of about eight blocks in the historic center of Sao Paulo, Brazil, March 9, 2021. REUTERS/Amanda Perobelli SEARCH "CRACKLAND PEROBELLI" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Lighters are lit up as people smoke crack at a place known as the "flow", where people buy and use drugs in an area known as "cracolandia," or crackland, a dangerous wasteland of about eight blocks in the historic center of Sao Paulo, Brazil, March 9, 2021. REUTERS/Amanda Perobelli SEARCH "CRACKLAND PEROBELLI" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Shoppers buy items at a weekly municipal non-food market as the country eases the coronavirus disease (COVID-19) restrictions, in Espinho, Portugal, April 5, 2021. REUTERS/Violeta Santos Moura

A woman buys dinner in a local restaurant at Chinatown in the Manhattan borough of New York City, New York, U.S., March 25, 2021. REUTERS/Eduardo Munoz

A woman buys produce at a store in Chinatown amid the coronavirus disease (COVID-19) pandemic in New York City, New York, U.S., March 25, 2021. REUTERS/Carlo Allegri

A couple walks past an abandoned store after buying new skis for the next season with a huge discount during winter sales, as the coronavirus disease (COVID-19) pandemic lockdown continues, in Bonn, Germany, March 16, 2021. REUTERS/Wolfgang Rattay

A man buys truffles at a market in the city of Samawa, Iraq, February 22, 2021. REUTERS/Alaa Al-Marjani SEARCH "TRUFFLES SAMAWA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A person waits to buy tickets at a AMC theatre on reopening day during the outbreak of the coronavirus disease (COVID-19), in Burbank, California, U.S., March 15, 2021. REUTERS/Mario Anzuoni

A man buys a coffee at the entrance of a partially opened cafe as required under Portugal's government plan to gradually lift a lockdown imposed in mid-January to tackle what was then the world's worst coronavirus disease (COVID-19) surge, in Porto, Portugal March 15, 2021. REUTERS/Violeta Santos Moura

A woman buys a coffee at the entrance of a partially opened cafe as required under Portugal's government plan to gradually lift a lockdown imposed in mid-January to tackle what was then the world's worst coronavirus disease (COVID-19) surge, in Porto, Portugal March 15, 2021. REUTERS/Violeta Santos Moura

Mountaineers look to buy mountain gear while preparing for the upcoming Everest climbing season, as the world's tallest peak reopens after a year closed due to the coronavirus pandemic in Kathmandu, Nepal March 15, 2021. REUTERS/Navesh Chitrakar

Pedro Luis Ruiz, migrant from Cuba under the Migrant Protection Protocols (MPP) program, buys a bus ticket to go to Miami after crossing from Mexico into the U.S. to continue his asylum request, in El Paso, Texas, U.S., March 11, 2021. Picture taken March 11, 2021. REUTERS/Jose Luis Gonzalez

Pedro Luis Ruiz, migrant from Cuba under the Migrant Protection Protocols (MPP) program, buys a bus ticket to go to Miami after crossing from Mexico into the U.S. to continue his asylum request, in El Paso, Texas, U.S., March 11, 2021. Picture taken March 11, 2021. REUTERS/Jose Luis Gonzalez

Swedes queue to buy alcohol before the state-run alcohol monopoly closes for the weekend amid the coronavirus disease (COVID-19) pandemic in Stockholm, Sweden, February 27, 2021. Picture taken February 27, 2021. REUTERS/Colm Fulton

Swedes queue to buy alcohol before the state-run alcohol monopoly closes for the weekend amid the coronavirus disease (COVID-19) pandemic in Stockholm, Sweden, February 27, 2021. Picture taken February 27, 2021. REUTERS/Colm Fulton

Malu Dreyer, federal state prime minister of Rhineland-Palatinate and Social Democratic party SPD top candidate for the upcoming March 14, 2021 federal state elections, buys books at a book store in Mainz, Germany, March 10, 2021. REUTERS/Wolfgang Rattay

A woman buys books as Malu Dreyer, federal state prime minister of Rhineland-Palatinate and Social Democratic party SPD top candidate for the upcoming March 14, 2021 federal state elections, visits a book store in Mainz, Germany, March 10, 2021. REUTERS/Wolfgang Rattay

A man carrying a dog buys flowers at a market on International Women's Day in Moscow, Russia March 8, 2021. REUTERS/Evgenia Novozhenina

Customers wear protective masks to prevent the spread of the coronavirus disease (COVID-19) while buying fish at a market in Taipei, Taiwan, March 5, 2021. REUTERS/Ann Wang

A woman buys vegetables on a street in Khartoum north, Sudan March 2, 2021. REUTERS/Mohamed Nureldin Abdallah

A customer buys paint at a hardware store amidst the coronavirus disease (COVID-19) pandemic, as stores are allowed to re-open in Munich, Germany, March 1, 2021. REUTERS/Andreas Gebert

A customer buys gardening soil at a hardware store amidst the coronavirus disease (COVID-19) pandemic, as stores are allowed to re-open in Munich, Germany, March 1, 2021. REUTERS/Andreas Gebert

A customer buys paint at a hardware store amidst the coronavirus disease (COVID-19) pandemic, as stores are allowed to re-open in Munich, Germany, March 1, 2021. REUTERS/Andreas Gebert

A customer buys paint at a hardware store amidst the coronavirus disease (COVID-19) pandemic, as stores are allowed to re-open in Munich, Germany, March 1, 2021. REUTERS/Andreas Gebert

A man buys eggs from the Woburn Village Stores, a convenience store in Woburn, Britain February 26, 2021. Picture taken February 26, 2021. REUTERS/Andrew Boyers

A lady buys bread from a market stall in Buckingham, Britain February 27, 2021. Picture taken February 27, 2021. REUTERS/Andrew Boyers

A lady buys carrots from a market stall in Buckingham, Britain February 27, 2021. Picture taken February 27, 2021. REUTERS/Andrew Boyers

People buy movie tickets as Quebec allows the reopening of theatres but no selling of food including popcorn, during the outbreak of the coronavirus disease (COVID-19) in Kirkland, a suburb of Montreal, Canada February 27, 2021. REUTERS/Christinne Muschi

People buy ice cream in Primrose Hill, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, February 27, 2021. REUTERS/Henry Nicholls

A banner with an image of the Egyptian President Abdel Fattah el-Sisi is seen as a person buys vegetables at a market amid the coronavirus disease (COVID-19) pandemic in Cairo, Egypt February 25, 2021. REUTERS/Mohamed Abd El Ghany

Clients, wearing protective face masks, buy gold at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

Clients, wearing protective face masks, queue up at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

Clients, wearing protective face masks, queue up at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

A man, wearing a protective face mask, shows a gold ring at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

A gold shop employee, wearing a protective face mask, shows a gold buffalo at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

A gold shop employee, wearing a protective face mask, is dressed as the God of Wealth at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

A gold shop employee, wearing a protective mask, is dressed as the God of Wealth at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham

A gold shop employee is dressed as the God of Wealth at a jewellery shop on God of Wealth Day, which falls on the 10th day of Lunar New Year, as Vietnamese hope buying gold would bring good luck, in Hanoi, Vietnam, February 21, 2021. REUTERS/Kham TPX IMAGES OF THE DAY

A woman buys a ticket before the play "La Boheme" during Palm Beach Opera's Outdoor Festival, amid the coronavirus disease (COVID-19) pandemic, at the South Florida Fairgrounds' iTHINK Financial Amphitheater in West Palm Beach, Florida, U.S., February 19, 2021. REUTERS/Marco Bello

Usama Ali al-aguri sits in a wheelchair as he inspects a sheep to buy at the livestock market in Benghazi, Libya February 13, 2021. Picture taken February 13, 2021. REUTERS/Esam Omran Al-Fetori

People buy paper money also known as ghost money to burn to offer the gods during the Lunar New Year holiday in Taipei, Taiwan, February 14, 2021. REUTERS/Ann Wang

People buy clothes during the Lunar New Year celebration at the Chinatown in Bangkok, Thailand, February 12, 2021. Picture taken February 12, 2021. REUTERS/Jorge Silva

People buy soft toys on an empty street in Xonacatlan, as the coronavirus disease (COVID-19) outbreak continues ahead of Valentine's Day in Mexico, February 12, 2021. REUTERS/Edgard Garrido

A man buys soft toys on an empty street in Xonacatlan, as the coronavirus disease (COVID-19) outbreak continues ahead of Valentine's Day in Mexico, February 12, 2021. REUTERS/Edgard Garrido

People buy soft toys on an empty street in Xonacatlan, as the coronavirus disease (COVID-19) outbreak continues ahead of Valentine's Day in Mexico, February 12, 2021. REUTERS/Edgard Garrido

A woman buys soft toys on an empty street in Xonacatlan, as the coronavirus disease (COVID-19) outbreak continues ahead of Valentine's Day in Mexico, February 12, 2021. REUTERS/Edgard Garrido

A woman buys soft toys at store in Xonacatlan, as the coronavirus disease (COVID-19) outbreak continues ahead of Valentine's Day in Mexico, February 12, 2021. REUTERS/Edgard Garrido

People buy flowers near an electoral campaign billboard in Pristina, Kosovo, February 10, 2021. Picture taken February 10, 2021. REUTERS/Florion Goga

Bui Van Cuong wears a gas mask to braise black carp in claypots with longan firewood to serve as a traditional Vietnamese dish for Lunar New Year celebrations in Ha Nam province, Vietnam February 5, 2021. Picture taken February 5, 2021. REUTERS/Kham

Bui Van Cuong wears a gas mask as he braises black carp in claypots with longan firewood to serve as a traditional Vietnamese dish for Lunar New Year celebrations in Ha Nam province, Vietnam February 5, 2021. Picture taken February 5, 2021. REUTERS/Kham

Bui Van Cuong wears a gas mask as he braises black carp in claypots with longan firewood to serve as a traditional Vietnamese dish for Lunar New Year celebrations in Ha Nam province, Vietnam February 5, 2021. Picture taken February 5, 2021. REUTERS/Kham TPX IMAGES OF THE DAY

Bui Van Cuong wears a gas mask as he braises black carp in claypots with longan firewood to serve as a traditional Vietnamese dish for Lunar New Year celebrations in Ha Nam province, Vietnam February 5, 2021. Picture taken February 5, 2021. REUTERS/Kham

Bui Van Cuong wears a gas mask as he braises black carp in claypots with longan firewood to serve as a traditional Vietnamese dish for Lunar New Year celebrations in Ha Nam province, Vietnam February 5, 2021. Picture taken February 5, 2021. REUTERS/Kham TPX IMAGES OF THE DAY

Vitoria Bueno, a 16-year-old dancer whose genetic condition left her without arms, walks after buying food products at a small market near her house in Santa Rita do Sapucai, Brazil, February 6, 2021. Picture taken February 6, 2021. REUTERS/Ueslei Marcelino

Customers wearing face masks and face shields for protection against the coronavirus disease (COVID-19) queue to buy rice cakes at Chinatown, ahead of Chinese New Year, in Manila, Philippines, February 11, 2021. REUTERS/Eloisa Lopez

Customers wearing face masks buy decorations ahead of the Chinese Lunar New Year, following the coronavirus disease (COVID-19) outbreak, in Hong Kong, China February 11, 2021. REUTERS/Tyrone Siu

Customers wearing face masks buy flowers during the Lunar New Year fair at Victoria Park, following the coronavirus disease (COVID-19) outbreak, in Hong Kong, China February 11, 2021. REUTERS/Tyrone Siu

Customers wearing face masks buy flowers during the Lunar New Year fair at Victoria Park, following the coronavirus disease (COVID-19) outbreak, in Hong Kong, China February 11, 2021. REUTERS/Tyrone Siu