Waiters wearing protective face masks carry food for clients at an outdoor seating section of a restaurant at Ramblas, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, May 25, 2020. REUTERS/Nacho Doce?

A waiter waits for customers at a restaurant, amid the coronavirus disease (COVID-19) outbreak, in downtown Lisbon, Portugal May 25, 2020. REUTERS/Rafael Marchante

A waiter wearing a protective face mask sanitises a chair at a coffee shop, as restaurants reopen following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece May 25, 2020. REUTERS/Costas Baltas

A waiter wearing a protective face mask serves customers in a coffee shop, with the Acropolis hill in the background, as restaurants reopen following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece May 25, 2020. REUTERS/Costas Baltas

A waiter wearing a protective face mask waits for customers in a restaurant, as restaurants reopen following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece May 25, 2020. REUTERS/Costas Baltas

A waiter wearing a protective face mask serves customers in a coffee shop, as restaurants reopen following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece May 25, 2020. REUTERS/Costas Baltas

A waiter wearing a protective face mask serves a customer in a coffee shop, as restaurants reopen following the easing of measures against the spread of the coronavirus disease (COVID-19), in Athens, Greece May 25, 2020. REUTERS/Costas Baltas

A waiter wearing a protective face mask serves a beverage for a client at an outdoor seating section of a restaurant that reopened for the first time in more than 2 months amid the coronavirus disease (COVID-19) outbreak, at Plaza Mayor Square in Madrid, Spain, May 25, 2020. REUTERS/Juan Medina

A waiter wearing a face mask prepares tables as he waits for customers at Dolce Vita restaurant, following the easing of restrictive measures against the spread of the coronavirus disease (COVID-19), in Abidjan, Ivory Coast May 20, 2020. REUTERS/Luc Gnago

Waiters wearing face masks prepare tables as they wait for customers at Dolce Vita restaurant, following the easing of restrictive measures against the spread of the coronavirus disease (COVID-19), in Abidjan, Ivory Coast May 20, 2020. REUTERS/Luc Gnago

A waiter wearing a face mask waits for customers next to empty tables at Le Parasolier restaurant, despite the easing of restrictive measures against the spread of the coronavirus disease (COVID-19), in Abidjan, Ivory Coast May 20, 2020. REUTERS/Luc Gnago

A waiter holds a plate at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter sanitises a table at a restaurant where customers can scan a barcode on their phones to view the menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter places a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter holds a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter holds a placard showing a barcode that customers scan on their phones to view the restaurant menu, to avoid using paper menus that are touched by many customers, as Italy eases some of the lockdown measures put in place following the coronavirus disease (COVID-19) outbreak, in Rome, Italy, May 20, 2020. REUTERS/Guglielmo Mangiapane

A waiter wearing a protective mask and gloves carries a paella at a terrace of the Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain, May 18, 2020. REUTERS/Nacho Doce

A waiter disinfects a table outside a bar, as most Spanish provinces are allowed to ease restrictions during phase one amid the coronavirus disease (COVID-19) outbreak, in Malaga, Spain, May 18, 2020. REUTERS/Jon Nazca

A waiter wearing a face mask carries a paella for clients on a terrace of a restaurant at Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain, May 18, 2020. REUTERS/Nacho Doce

A waiter wearing a protective mask and gloves carries a paella at a terrace of the Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain, May 18, 2020. REUTERS/Nacho Doce

A waiter wearing a protective face mask passes by skeletons placed at a table on his way to serve customers, as most Spanish provinces are allowed to ease restrictions during phase one amid the coronavirus disease (COVID-19) outbreak, in Malaga, Spain, May 18, 2020. REUTERS/Jon Nazca

A waiter checks customers' temperatures in a restaurant, as shops and restaurants are allowed to reopen as Italy eases some of the lockdown measures put in place during the coronavirus disease (COVID-19) outbreak, in Milan, Italy May 18, 2020. REUTERS/Flavio Lo Scalzo

A waiter serves beer in the beer garden of the Park Cafe, after its re-opening, amid the spread of the coronavirus disease (COVID-19) in Munich, Germany, May 18, 2020. REUTERS/Andreas Gebert

A waiter carries food at the beer garden of the Park Cafe, after its re-opening, amid the spread of the coronavirus disease (COVID-19) in Munich, Germany, May 18, 2020. REUTERS/Andreas Gebert

A waiter wearing a protective mask adjusts tables on a terrace of a restaurant at Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain May 18, 2020. REUTERS/Nacho Doce

Waiters wearing protective masks measure social distance between tables on a terrace of a restaurant at Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain May 18, 2020. REUTERS/Nacho Doce

A waiter wearing a protective mask measures social distance between tables on a terrace of a restaurant at Malvarrosa beach, as some Spanish provinces are allowed to ease lockdown restrictions during phase one, amid the coronavirus disease (COVID-19) outbreak, in Valencia, Spain May 18, 2020. REUTERS/Nacho Doce

Clover Grill's waiter Joe Congleton takes orders through an open door, keeping social distancing, after restrictions of the lockdown were eased to allow 25 percent of permitted occupancy in stores and restaurants, amid the coronavirus disease (COVID-19) outbreak, in New Orleans, Louisiana, U.S., May 16, 2020. Picture taken May 16, 2020. REUTERS/Kathleen Flynn

A waiter wearing a protective face mask holds a a glass of wine to serve it to customers at Petrocelli's Bar, during the coronavirus disease (COVID-19) outbreak, in Berlin, Germany May 16, 2020. REUTERS/Fabrizio Bensch

Waiters wearing protective face masks hold a pizza to serve it to customers at Petrocelli's Bar, during the coronavirus disease (COVID-19) outbreak, in Berlin, Germany May 16, 2020. REUTERS/Fabrizio Bensch

A waiter wearing a protective face shield works at Cafe Kanzleramt, after the government reopened restaurants, cafes, bars and beer gardens to ease the lockdown following the coronavirus disease (COVID-19) outbreak, in Vienna, Austria May 15, 2020. REUTERS/Leonhard Foeger

A waiter wearing a protective face shield serves beer at Cafe Kanzleramt, after the government reopened restaurants, cafes, bars and beer gardens to ease the lockdown following the coronavirus disease (COVID-19) outbreak, in Vienna, Austria May 15, 2020. REUTERS/Leonhard Foeger

A waiter wearing a protective face shield works at Cafe Kanzleramt, after the government reopened restaurants, cafes, bars and beer gardens to ease the lockdown following the coronavirus disease (COVID-19) outbreak, in Vienna, Austria May 15, 2020. REUTERS/Leonhard Foeger

A waiter wearing a protective face shield works at Cafe Kanzleramt, after the government reopened restaurants, cafes, bars and beer gardens to ease the lockdown following the coronavirus disease (COVID-19) outbreak, in Vienna, Austria May 15, 2020. REUTERS/Leonhard Foeger

A waiter wearing a protective face shield makes coffee at Cafe Kanzleramt, after the government reopened restaurants, cafes, bars and beer gardens to ease the lockdown following the coronavirus disease (COVID-19) outbreak, in Vienna, Austria May 15, 2020. REUTERS/Leonhard Foeger

A waiter serves coffee at Cafe Landtmann during the global coronavirus disease (COVID-19) outbreak in Vienna, Austria, May 15, 2020. REUTERS/Lisi Niesner

A waiter stands behind signs with behaviour rules at Cafe Landtmann during the global coronavirus disease (COVID-19) outbreak in Vienna, Austria, May 15, 2020. REUTERS/Lisi Niesner

A cup of coffee sits on a table as a waiter serves drinks at Cafe Landtmann during the global coronavirus disease (COVID-19) outbreak in Vienna, Austria, May 15, 2020. REUTERS/Lisi Niesner

A waiter talks with a client at the terrace of a bar, as some Spanish provinces are allowed to ease restrictions during the phase one, amid the coronavirus disease (COVID-19) outbreak, in Tarragona, Spain, May 12, 2020. REUTERS/Nacho Doce

A waiter takes an order at an outdoor terrace of a restaurant as Lebanon eases its coronavirus disease (COVID-19) lockdown, and its restaurants struggle to choose between opening with reduced capacity or staying shut, amid an unprecedented economic crisis that has slashed profit and raised cost, in Beirut, Lebanon May 11, 2020. REUTERS/Mohamed Azakir

A waiter wearing a protective face mask serves customers outside a bar as some Spanish provinces are allowed to ease restrictions during the phase one, amid the coronavirus disease (COVID-19) outbreak, in Palma de Mallorca, Spain, May 11, 2020. REUTERS/Enrique Calvo

A waiter wearing a protective face mask walks past customers outside a bar as some Spanish provinces are allowed to ease restrictions during the phase one, amid the coronavirus disease (COVID-19) outbreak, in Palma de Mallorca, Spain, May 11, 2020. REUTERS/Enrique Calvo

A waiter caters to several customers at promenade of Las Canteras beach during the reopening as some Spanish provinces are allowed to ease restrictions during the phase one, amid the coronavirus disease (COVID-19) outbreak on the island of Gran Canaria, Spain, May 11, 2020. REUTERS/Borja Suarez

A waiter disinfects a table at promenade of Las Canteras beach during the reopening as some Spanish provinces are allowed to ease restrictions during the phase one, amid the coronavirus disease (COVID-19) outbreak on the island of Gran Canaria, Spain, May 11, 2020. REUTERS/Borja Suarez

A waiter wearing a protective face shield and gloves walks past customers, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Cuenca, Spain May 11, 2020. REUTERS/Juan Medina

A waiter wearing a protective face shield and gloves walks to serve customers, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Cuenca, Spain May 11, 2020. REUTERS/Juan Medina

A waiter wearing a protective face shield and gloves walks past a man wearing a protective face mask, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Cuenca, Spain May 11, 2020. REUTERS/Juan Medina

A waiter serves a customer on the reopening day of the Cafe du Soleil as Switzerland eases the lockdown measures during the coronavirus disease (COVID-19) outbreak in Geneva, May 11, 2020. REUTERS/Denis Balibouse

A waiter carries a table to set it up outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter carries a table to set it up outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter carries chairs to set them up outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter wearing a protective face mask and gloves carries chairs to set them up on a terrace outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter wearing a protective face mask carries chairs to set them up on a terrace outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter wearing a protective face mask and gloves carries chairs to set them up on a terrace outside a bar, as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter puts a menu on a window as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak, in Seville, Spain, May 11, 2020. REUTERS/Jon Nazca

A waiter picks up a chair as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak in Guadalajara, Spain, May 11, 2020. REUTERS/Sergio Perez

A waiter cleans a table as some Spanish provinces are allowed to ease restrictions during the phase one amid the coronavirus disease (COVID-19) outbreak in Guadalajara, Spain, May 11, 2020. REUTERS/Sergio Perez

Waiters wearing protective masks and gloves serve costumers at cafe as the spread of the coronavirus disease (COVID-19) continues in Belgrade, Serbia, May 5, 2020. As the rate of infections has slowed sufficiently, cafes and restaurants in Serbia and its capital Belgrade opened again for patrons after almost two months. REUTERS/Marko Djurica

Protective face masks are seen on statues of a waiter and a chef outside bars and restaurants that have reopened for takeaway services, as Italy begins a staged end to a nationwide lockdown due to the spread of the coronavirus disease (COVID-19), in Rome, Italy May 5, 2020. REUTERS/Remo Casilli

A waiter wears a protective mask and gloves as he serves coffe, at a cafe which reopened for takeaways only, as Italy begins a staged end to a nationwide lockdown due to the spread of the coronavirus disease (COVID-19), in Rome, Italy May 5, 2020. REUTERS/Yara Nardi