A notice on the pavement reminding people of social distancing in Tooting, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 4, 2020.

Urinals are pictured with some blocked off in order for people to distance themselves at motorway services on the M20, as the spread of the coronavirus disease (COVID-19) continues, Maidstone, Britain, March 26, 2020.

Customers wait outside on social distancing markings at a prototype location of fast food giant McDonald's for restaurants which respect the 1.5m social distancing measure, amid the coronavirus disease (COVID-19) outbreak, in Arnhem, Netherlands, May 1, 2020.

Circles on the ground indicating where to stand to respect social distancing are seen in a tramway during the outbreak of the coronavirus disease (COVID-19) in Nice, France, May 6, 2020.

People wearing protective face masks practice social distancing while receiving rice from an automated rice ATM distributor amid the spread of the coronavirus disease (COVID-19) in Jakarta, Indonesia May 4, 2020.

A lady waits to be served behind yellows lines that mark the distance customers have to keep between them inside a grocery in Trastevere area, after a decree orders for the whole of Italy to be on lockdown in an unprecedented clampdown aimed at beating the coronavirus, in Rome, Italy, March 10, 2020.

A woman is seen at a care facility for elderly people with dementia, in a glass house that is made especially against loneliness caused by the visit ban due to the coronavirus disease (COVID-19) outbreak in Wassenaar, Netherlands, April 9, 2020.

Yellow stripe is painted in the middle of a pedestrian street to help people comply with the social distance guidelines related to the coronavirus disease (COVID-19) situation in Aalborg, Denmark May 4, 2020. Henning Bagger/Ritzau Scanpix/via REUTERS

A man wearing a self-made protective face mask keeps distance while doing shopping in a supermarket on the second day of the easing of lockdown measures during the outbreak of the coronavirus disease (COVID-19), in Brussels, Belgium, May 5, 2020.

People have lunch at the Penguin Eat Shabu hotpot restaurant that reopened after the easing of restrictions with the implementation of a plastic barrier and social distancing measures to prevent the spread of the coronavirus disease (COVID-19) in Bangkok, Thailand, May 8, 2020.

Pupils sitting behind partition boards made of plexiglass attend a class at a primary school, during the coronavirus disease (COVID-19) outbreak, in Den Bosch, Netherlands, May 8, 2020.

Women are separated by dividers as they have their hair washed after social distancing guidelines to curb the spread of the coronavirus disease (COVID-19) are relaxed, at Bella Rinova in Houston, Texas, U.S. May 8, 2020.

People stand on social-distancing markers at a Mercedes car dealer, as Belgium began easing lockdown restrictions allowing some businesses to reopen, following the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium, May 6, 2020.

A woman and a child ride a bicycle as Milan reallocates road space previously used by cars to new bicycle lanes and pedestrian pathways, as part of an effort to reduce pollution ahead of lockdown gradually lifting due to a spread of the coronavirus disease (COVID-19), in Milan, Italy April 30, 2020.

Servers in protective gear carry food at a restaurant which is testing servers providing drinks and food to models pretending to be clients in a safe "quarantine greenhouses" in which guests can dine in Amsterdam, Netherlands May 5, 2020.

A bank teller wearing a protective face mask stands at a counter where a plastic curtain is installed in order to prevent infections following the coronavirus disease (COVID-19) outbreak, at the Higashinakano branch of MUFG Bank in Tokyo, Japan, April 24, 2020.

A view inside a prototype location of fast food giant McDonald's for restaurants which respect the 1.5m social distancing measure, amid the coronavirus disease (COVID-19) outbreak, in Arnhem, Netherlands, May 1, 2020. The sticker reads "Smile at a safe distance".

Tables and chairs are taped up to keep social distancing at a Starbucks coffee shop, following the novel coronavirus disease (COVID-19) outbreak, in Hong Kong, China April 2, 2020.

People follow social distancing markings as they line up at a shopping mall after the Saudi government eased a curfew and allowed stores to open, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 2, 2020.

Circles are seen on the ground indicating where to stand to respect social distancing on a platform of a tramway station during the outbreak of the coronavirus disease (COVID-19) in Nice, France, May 6, 2020.

A restaurant tests servers providing drinks and food to models pretending to be clients in a safe "quarantine greenhouses" in which guests can dine in Amsterdam, Netherlands May 5, 2020. Picture taken May 5, 2020.

Worker paint lines on the street to expand a sidewalk for pedestrians to keep a social distance between them, as the spread of the coronavirus disease (COVID-19) continues in Barcelona, Spain, May 5, 2020.

Plastic circles are seen on the ground indicating where to stand to respect social distancing on a platform at the Gare du Nord train station during the outbreak of the coronavirus disease (COVID-19) in Paris, France, May 5, 2020.

A commuter wearing a protective mask stands amid marks for social distancing on the floor of the Atocha train station, on the first day mask usage is mandatory in public transport, amid the coronavirus disease (COVID-19) outbreak in Madrid, Spain, May 4, 2020.

A man receives a coffee in a cart pulled by a rope as a transportation system after a cafe adopted a social distance policy for their customers amid fears of coronavirus outbreak in Bangkok, Thailand March 20, 2020.