People pay for their purchases using the light from their phone while experiencing a blackout due to an outage at a power plant, at a shop in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

People leave a shop using light from their phones while experiencing a blackout due to an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

People eat using the light from their phone while experiencing a blackout due to an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang TPX IMAGES OF THE DAY

A Serbian Army officer receives a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at the barracks "Dedinje" in Belgrade, Serbia, May 13, 2021. REUTERS/Marko Djurica

A Serbian Army officer receives a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at the barracks "Dedinje" in Belgrade, Serbia, May 13, 2021. REUTERS/Marko Djurica

A Serbian Army officer receives a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at the barracks "Dedinje" in Belgrade, Serbia, May 13, 2021. REUTERS/Marko Djurica

A Serbian Army officer receives a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at the barracks "Dedinje" in Belgrade, Serbia, May 13, 2021. REUTERS/Marko Djurica

A woman uses her phone while experiencing a blackout due to an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

A woman uses her phone while experiencing a blackout due to an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

A restaurant staff member waits for the electricity to come back after an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

A woman uses her phone while experiencing a blackout due to an outage at a power plant, in Taipei, Taiwan, May 13, 2021. REUTER/Ann Wang

A man walks by a restaurant decorated with Taiwan flags following the outbreak of coronavirus disease (COVID-19), in Taoyuan, Taiwan, May 13, 2021. REUTERS/Ann Wang TPX IMAGES OF THE DAY

Taiwan flags hang above the streets in Taoyuan, Taiwan, May 13, 2021. REUTERS/Ann Wang

A man stands outside a closed mosque following the outbreak of coronavirus disease (COVID-19), in Taoyuan, Taiwan, May 13, 2021. REUTERS/Ann Wang

People wear protective face masks while crossing the street amid the coronavirus disease (COVID-19) pandemic, in Taoyuan, Taiwan, May 12, 2021. REUTERS/Ann Wang

People wear protective face masks while shopping amid the coronavirus disease (COVID-19) pandemic, in Taoyuan, Taiwan, May 12, 2021. REUTERS/Ann Wang

A woman buys instant noodles in a supermarket following the outbreak of coronavirus disease (COVID-19) in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

People wear protective face masks while heading in a metro station following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

A staff member cleans the plastic partitions at a canteen following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan ,May 12, 2021. REUTERS/Ann Wang

People eat lunch between plastic partitions following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

People queue to buy face masks at a store, following the outbreak of coronavirus disease (COVID-19), in Taipei Taiwan, May 12, 2021. REUTERS/Ann Wang

People buy boxes of protective face masks following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

People queue to buy face masks at a store, following the outbreak of coronavirus disease (COVID-19), in Taipei Taiwan, May 12, 2021. REUTERS/Ann Wang

People buy boxes of protective face masks following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

People eat lunch between plastic partitions following the outbreak of coronavirus disease (COVID-19), in Taipei, Taiwan, May 12, 2021. REUTERS/Ann Wang

People wearing protective face masks sit inside a crane claw machine shop, during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

A woman wearing a protective face mask prays inside a temple, during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

A woman wearing a protective face mask prepares food at her stall during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

A woman prays inside a temple during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

People wearing protective face masks walk towards the metro station, during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

People wearing protective face masks wait for the metro, during the coronavirus disease (COVID-19) pandemic, in Taipei, Taiwan, May 11, 2021. REUTERS/Ann Wang

U.S. one dollar and Chinese Yuan are seen in this illustration taken May 7, 2021. REUTERS/Dado Ruvic/Illustration

U.S. one dollar and Chinese Yuan are seen in this illustration taken May 7, 2021. REUTERS/Dado Ruvic/Illustration

U.S. one dollar and Chinese Yuan are seen in this illustration taken May 7, 2021. REUTERS/Dado Ruvic/Illustration

A Chinese Yuan banknote is seen in front of displayed stock graph in this illustration taken May 7, 2021. REUTERS/Dado Ruvic/Illustration

A Chinese Yuan banknote is seen in front of displayed stock graph in this illustration taken May 7, 2021. REUTERS/Dado Ruvic/Illustration

A sign of Chinese online insurance technology firm Waterdrop Inc is pictured ahead of the company’s U.S. initial public offering (IPO) on New York Stock Exchange (NYSE), in Beijing, China May 7, 2021. REUTERS/Tingshu Wang

A sign of Chinese online insurance technology firm Waterdrop Inc is pictured ahead of the company’s U.S. initial public offering (IPO) on New York Stock Exchange (NYSE), in Beijing, China May 7, 2021. REUTERS/Tingshu Wang

A man walks past a billboard with signs of Tencent-backed Chinese online insurance technology firm Waterdrop Inc ahead of the company’s U.S. initial public offering (IPO) on New York Stock Exchange (NYSE), in Beijing, China May 7, 2021. REUTERS/Tingshu Wang

Shen Peng, founder and CEO of Chinese online insurance technology firm Waterdrop Inc, speaks during an interview with Reuters ahead of the company’s U.S. initial public offering (IPO) on New York Stock Exchange (NYSE), in Beijing, China May 7, 2021. REUTERS/Tingshu Wang

Shen Peng, founder and CEO of Chinese online insurance technology firm Waterdrop Inc, poses for pictures during an interview with Reuters, ahead of the company’s U.S. initial public offering (IPO) on New York Stock Exchange (NYSE), in Beijing, China May 7, 2021. REUTERS/Tingshu Wang

A Chinese national flag flies outside the former Xinqu Mosque that had its minarets and central dome removed in Changji outside Urumqi, Xinjiang Uighur Autonomous Region, China, May 6, 2021. Picture taken May 6, 2021. REUTERS/Thomas Peter

A Chinese national flag flies outside Kashgar Mosque that had its minarets removed in Changji outside Urumqi, Xinjiang Uyghur Autonomous Region, China, May 6, 2021. Picture taken May 6, 2021. REUTERS/Thomas Peter

A part of a minaret broken off from the former Xinqu Mosque lies near a Chinese national flag in a yard adjacent to the former house of worship in Changji outside Urumqi, Xinjiang Uyghur Autonomous Region, China, May 6, 2021. Picture taken May 6, 2021. REUTERS/Thomas Peter

A Chinese national flag flies outside Jiankang West Road Mosque that had its dome and minarets removed in Changji outside Urumqi, Xinjiang Uyghur Autonomous Region, China, May 6, 2021. Picture taken May 6, 2021. REUTERS/Thomas Peter

Taoyuan Mayor Cheng Wen-tsan, Taiwan's Foreign Affairs Minister Joseph Wu and director-general of the India Taipei Association, Gourangalal Das attend a ceremony for the donation of medical supplies to India to fight the coronavirus disease (COVID-19) outbreak, in Taipei, Taiwan May 5, 2021. REUTERS/Annabelle Chih

(L-R) Taoyuan Mayor Cheng Wen-tsan, Taiwan's Foreign Affairs Minister Joseph Wu and director-general of the India Taipei Association, Gourangalal Das attend a ceremony for the donation of medical supplies to India to fight the coronavirus disease (COVID-19) outbreak, in Taipei, Taiwan May 5, 2021. REUTERS/Annabelle Chih

Hikvision surveillance cameras are seen in front of a Chinese flag at a main shopping area, during the Labour Day holiday, following the outbreak of the coronavirus disease (COVID-19), in Shanghai, China May 5, 2021. REUTERS/Aly Song

Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at a restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at a restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at a restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

Doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) are seen at a restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

A man receives a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

Customers have their meals at a restaurant where people are receiving doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

An ox is roasted in front of a restaurant where people are receiving doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

A man prepares roasted ox in front of a restaurant where people are receiving doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica

People wait to receive doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica REFILE - CORRECTING MONTH


A man prepares to receive a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica REFILE - CORRECTING MONTH


A woman prepares to receive a dose of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica REFILE - CORRECTING MONTH

People wait to receive doses of the Chinese Sinopharm vaccine against the coronavirus disease (COVID-19) at a restaurant in Kragujevac, Serbia, May 4, 2021. At the Biblioteka kod Milutina restaurant whoever decides to get vaccinated is served a free meal on Tuesday, as a one-time offer to promote vaccination and contribute to the reopening of cafes, restaurants and bars. REUTERS/Marko Djurica REFILE - CORRECTING MONTH