A man walks past a Trailfinders travel agency, following the coronavirus disease (COVID-19) outbreak, in Chester, Britain, July 3, 2020. REUTERS/Molly Darlington

People walk past a STA Travel travel agency, following the coronavirus disease (COVID-19) outbreak, in Chester, Britain, July 3, 2020. REUTERS/Molly Darlington

A woman walks past a Flight Centre travel agency, following the coronavirus disease (COVID-19) outbreak, in Chester, Britain, July 3, 2020. REUTERS/Molly Darlington

Pedestrians walk past a travel agency of Germany-based travel company TUI in Paris, France, June 23, 2020. REUTERS/Charles Platiau

The logo of Germany-based travel company TUI is seen on a travel agency in Paris, France, June 23, 2020. REUTERS/Charles Platiau

Militants of the self-proclaimed Donetsk People's Republic walk past a window advertising a travel agency before a rehearsal for the Victory Day Parade in Donetsk, Ukraine, June 22, 2020. The military parade marking the 75th anniversary of the victory over Nazi Germany in World War Two was planned for May 9 but postponed due to the coronavirus outbreak. REUTERS/Alexander Ermochenko

A man takes pictures of a damaged travel agency after overnight protests sparked by a rapid fall in the pound currency and mounting economic hardship in Beirut, Lebanon June 12, 2020. REUTERS/Mohamed Azakir

Members of travel agencies and the tourism industry demonstrate with a bus parade demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration in front of the lower house of German parliament, Bundestag, demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

A member of travel agencies and the tourism industry participates in a demonstration in front of the lower house of German parliament, Bundestag, demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration in front of the lower house of German parliament, Bundestag, demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration in front of the lower house of German parliament, Bundestag, demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration in front of the lower house of German parliament, Bundestag, demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 27, 2020. REUTERS/Fabrizio Bensch

People are seen outside a travel agency in Blackpool, following the outbreak of the coronavirus disease (COVID-19), Blackpool, Britain, May 21, 2020. REUTERS/Carl Recine

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry demonstrate with a bus parade demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry demonstrate with a bus parade demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

Members of travel agencies and the tourism industry participate in a demonstration demanding financial help from the government, amid the spread of the coronavirus disease (COVID-19) in Berlin, Germany, May 13, 2020. REUTERS/Hannibal Hanschke

TUI staff members hang out on cabin balconies, as cruise ship "Mein Schiff 3" sits in the harbour, with nearly 3000 of the travel agency staff quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

TUI staff members hang out on cabin balconies, as cruise ship "Mein Schiff 3" sits in the harbour, with nearly 3000 of the travel agency staff quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

A man looks out of a cabin balcony, as cruise ship "Mein Schiff 3" sits in the harbour, with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

View of the TUI AG logo, as cruise ship "Mein Schiff 3" sits in the harbour, with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

View of the TUI AG logo, as cruise ship "Mein Schiff 3" sits in the harbour, with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

Cruise ship "Mein Schiff 3" sits in the harbour with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

Cruise ship "Mein Schiff 3" sits in the harbour with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

Cruise ship "Mein Schiff 3" sits in the harbour with nearly 3000 travel agency TUI staff members quarantined onboard, according to local media, during the coronavirus disease (COVID-19) spread, in Cuxhaven, Germany May 2, 2020. REUTERS/Fabian Bimmer

A travel agency worker sits alone in an office in Bangkok, as the spread of the coronavirus disease (COVID-19) continues, Bangkok, Thailand, April 13, 2020. REUTERS/Jorge Silva

A woman locks the door of a travel agency, following the outbreak of the coronavirus disease (COVID-19), in the Kreuzberg district of Berlin, Germany March 20, 2020. Picture taken March 20, 2020. REUTERS/Axel Schmidt

A man waits for costumers at a travel agency on Khaosan Road as tourism has decreased after the coronavirus outbreak in Bangkok, Thailand March 12, 2020. REUTERS/Jorge Silva

Employees sit behind their desks, as they wait for customers at a travel agency, following the outbreak of coronavirus, after the decision to ban travel to several countries, in Riyadh, Saudi Arabia March 12, 2020. REUTERS/Ahmed Yosri

Employees sit behind their desks, as they wait for customers at a travel agency, following the outbreak of coronavirus, after the decision to ban travel to several countries, in Riyadh, Saudi Arabia March 12, 2020. REUTERS/ Ahmed Yosri

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wearing a mask, sits at Vancouver International Airport (YVR) as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wearing a mask, sits at Vancouver International Airport (YVR) as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at YVR in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after arriving on a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A flight crew, wearing masks, arrives on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A flight crew, wearing masks, arrives on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A man, wearing a mask, waits for travellers arriving on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, some wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after stepping off a direct flight from China, as Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

A traveller wears a mask, after stepping off a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus, at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier

Travellers, wearing masks, arrive on a direct flight from China, after Canada's Public Health Agency added a screening question for visitors and began displaying messages in several airports urging travellers to report flu-like symptoms in efforts to prevent any introduction of coronavirus at Vancouver International Airport in Richmond, British Columbia, Canada January 24, 2020. REUTERS/Jennifer Gauthier