A delivery man waits outside a McDonald's restaurant in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

A clerk works in an ice cream store in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

A clerk works in a coffee shop in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

People walk past a coffee shop in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

A clerk works in a coffee shop in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

A man buys a coffee at a coffee shop in London, Britain, May 17, 2020. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)

Photo taken on May 17, 2020 shows a social distancing sign at a shop in London, Britain. Some restaurants, cafes and other catering shops in Britain have gradually resumed business with preventive measures like keeping social distancing after the British Government released a phased easing strategy from the novel coronavirus lockdown. (Photo by Tim Ireland/Xinhua)