People walk past the Houses of Parliament in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

People walk past the National COVID Memorial Wall in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

A bunch of red roses are placed by the National COVID Memorial Wall in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

People walk along the Westminster Bridge in front of "the London Eye" in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

A woman draws a red heart on the National COVID Memorial Wall in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

The Houses of Parliament is pictured in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

This reversed photo shows a man walking next to a puddle in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

A woman wearing a face mask walks past the Houses of Parliament in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

People walk past the Houses of Parliament in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)

People walk past the Houses of Parliament in London, Britain, Aug. 9, 2021. Britain has reported another 25,161 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 6,094,243, according to official figures released Monday. (Xinhua/Han Yan)