People wearing face masks walk on a street in Kuala Lumpur, Malaysia, May 22, 2021. Malaysia announced further tightening restrictions on Saturday under its nationwide movement control order (MCO) as the country's accumulative COVID-19 cases topped 500,000. (Photo by Chong Voon Chung/Xinhua)

A delivery man wearing face mask rides on a motorbike in Kuala Lumpur, Malaysia, May 22, 2021. Malaysia announced further tightening restrictions on Saturday under its nationwide movement control order (MCO) as the country's accumulative COVID-19 cases topped 500,000. (Photo by Chong Voon Chung/Xinhua)

People wearing face masks walk across a street in Kuala Lumpur, Malaysia, May 22, 2021. Malaysia announced further tightening restrictions on Saturday under its nationwide movement control order (MCO) as the country's accumulative COVID-19 cases topped 500,000. (Photo by Chong Voon Chung/Xinhua)