Photo taken on June 24, 2020 shows a facemask vending machine in London, Britain. Facemask vending machines have popped up at travel hotspots across London as the British capital emerges from the COVID-19 lockdown, local media reported. (Photo by Ray Tang/Xinhua)

Photo taken on June 24, 2020 shows a facemask vending machine in London, Britain. Facemask vending machines have popped up at travel hotspots across London as the British capital emerges from the COVID-19 lockdown, local media reported. (Photo by Ray Tang/Xinhua)

Photo taken on June 24, 2020 shows a facemask vending machine in London, Britain. Facemask vending machines have popped up at travel hotspots across London as the British capital emerges from the COVID-19 lockdown, local media reported. (Photo by Ray Tang/Xinhua)

Photo taken on June 24, 2020 shows a facemask vending machine in London, Britain. Facemask vending machines have popped up at travel hotspots across London as the British capital emerges from the COVID-19 lockdown, local media reported. (Photo by Ray Tang/Xinhua)