People with luggage use their phones outside a COVID-19 testing centre at Brussels' Zaventem airport premises, allowing travellers coming from a highly-infected zone to get rapidly tested, in Zaventem, Belgium September 14, 2020. REUTERS/Yves Herman

A man with luggage uses his phone outside a COVID-19 testing centre at Brussels' Zaventem airport premises, allowing travellers coming from a highly-infected zone to get rapidly tested, in Zaventem, Belgium September 14, 2020. REUTERS/Yves Herman

People with luggage use their phones outside a COVID-19 testing centre at Brussels' Zaventem airport premises, allowing travellers coming from a highly-infected zone to get rapidly tested, in Zaventem, Belgium September 14, 2020. REUTERS/Yves Herman

Tourists wearing protective face masks carry their luggage in St. Mark's Square following the outbreak of the coronavirus disease (COVID-19) in Venice, Italy, September 9, 2020. REUTERS/Guglielmo Mangiapane

A passenger pushes his luggage at the Nnamdi Azikiwe international airport in Abuja, Nigeria September 7, 2020. REUTERS/Afolabi Sotunde

A passenger pushes luggage at the Nnamdi Azikiwe international airport in Abuja, Nigeria September 7, 2020. REUTERS/Afolabi Sotunde

A woman wheels her luggage past the Hallgrimskirkja church as the outbreak of the coronavirus disease (COVID-19) continues in Reykjavik, Iceland, September 3, 2020. REUTERS/John Sibley

A woman wearing a protective mask carries her luggage at the El Dorado International Airport, amidst the coronavirus disease (COVID-19) outbreak, in Bogota, Colombia September 1, 2020. REUTERS/Luisa Gonzalez

A passenger wearing a protective mask carries his luggage at the El Dorado International Airport, amidst the coronavirus disease (COVID-19) outbreak, in Bogota, Colombia September 1, 2020. REUTERS/Luisa Gonzalez

People carry their luggage as they walk across Westminster Bridge during strong winds, in London, Britain, August 21, 2020. REUTERS/Henry Nicholls

Sunny Gu, an international student from China studying for a Masters in Commerce at the University of Sydney, has his temperature checked at Kingsford Smith International Airport, while waiting in line to check in his luggage before catching a flight to China, where Gu and his girlfriend Maggie Zhang, are moving back home to, during the coronavirus disease (COVID-19) outbreak, in Sydney, Australia, August 12, 2020. REUTERS/Loren Elliott SEARCH "INTERNATIONAL STUDENTS AUSTRALIA" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

FILE PHOTO: Migrants carrying luggage arrive at a railway station to board a train to their home state of Uttar Pradesh during an extended lockdown to slow the spread of the coronavirus disease (COVID-19), in Mumbai, India, May 20, 2020. REUTERS/Francis Mascarenhas

Children rest on luggage as they wait to leave the Palestinian Rafah border crossing with Egypt, which was reopened for the first time since it was closed in March due to concerns about the spread of the coronavirus disease (COVID-19), in the southern Gaza Strip August 12, 2020. REUTERS/Mohammed Salem

A woman walks with her luggage past a graffiti in Shoreditch, as the outbreak of the coronavirus disease (COVID-19) continues, in London, Britain August 6, 2020. REUTERS/John Sibley

Travellers' luggage is pictured at a new coronavirus disease (COVID-19) test centre operated by the German Red Cross at the central bus station in Berlin, Germany, August 5, 2020. REUTERS/Fabrizio Bensch

A passenger pushes his luggage as the Jomo Kenyatta international airport reopens after flights were suspended following the coronavirus disease (COVID-19) outbreak in Nairobi, Kenya August 1, 2020. REUTERS/Njeri Mwangi

A passenger pushes his luggage trolley at the check-in counter as the Jomo Kenyatta international airport reopens after flights were suspended following the coronavirus disease (COVID-19) outbreak in Nairobi, Kenya August 1, 2020. REUTERS/Njeri Mwangi

A man carries a luggage as reporters wearing face masks speak to travellers arriving from Madrid at the Terminal 5 at Heathrow Airport, as the spread of the?coronavirus?disease (COVID-19) continues, in London, Britain, July 26, 2020. REUTERS/Henry Nicholls

British tourists returning to UK, check in their luggage, as Britain imposed a two-week quarantine on all travellers arriving from Spain, following the coronavirus disease (COVID-19) outbreak, at Gran Canaria Airport, on the island of Gran Canaria, Spain July 25, 2020. REUTERS/Borja Suarez

British tourists returning to UK, check in their luggage, as Britain imposed a two-week quarantine on all travellers arriving from Spain, following the coronavirus disease (COVID-19) outbreak, at Gran Canaria Airport, on the island of Gran Canaria, Spain July 25, 2020. REUTERS/Borja Suarez

British tourists returning to UK, check in their luggage, as Britain imposed a two-week quarantine on all travellers arriving from Spain, following the coronavirus disease (COVID-19) outbreak, at Gran Canaria Airport, on the island of Gran Canaria, Spain July 25, 2020. REUTERS/Borja Suarez

British tourists returning to UK, check in their luggage, as Britain imposed a two-week quarantine on all travellers arriving from Spain, following the coronavirus disease (COVID-19) outbreak, at Gran Canaria Airport, on the island of Gran Canaria, Spain July 25, 2020. REUTERS/Borja Suarez

A worker of a company, which is offering testing for the coronavirus disease (COVID-19) and check-in for travellers at their homes, wears a protective mask as he checks the luggage of Nicholas Couvaras, as Dubai resumes flights, in Dubai, United Arab Emirates July 14, 2020. Picture taken July 14, 2020. REUTERS/Ahmed Jadallah

A worker of a company, which is offering testing for the coronavirus disease (COVID-19) and check-in for travellers at their homes, checks the luggage of Nicholas Couvaras, as Dubai resumes flights, in Dubai, United Arab Emirates July 14, 2020. Picture taken July 14, 2020. REUTERS/Ahmed Jadallah

A worker of a company, which is offering testing for the coronavirus disease (COVID-19) and check-in for travellers at their homes, wears a protective mask as he carries the luggage of Nicholas Couvaras, as Dubai resumes flights, in Dubai, United Arab Emirates July 14, 2020. Picture taken July 14, 2020. REUTERS/Ahmed Jadallah

A worker of a company, which is offering testing for the coronavirus disease (COVID-19) and check-in for travellers at their homes, wears a protective mask as he disinfects the luggage of Nicholas Couvaras, as Dubai resumes flights, in Dubai, United Arab Emirates July 14, 2020. Picture taken July 14, 2020. REUTERS/Ahmed Jadallah

A worker of a company, which is offering testing for the coronavirus disease (COVID-19) and check-in for travellers at their homes, wears a protective mask as he carries the luggage of Nicholas Couvaras, as Dubai resumes flights, in Dubai, United Arab Emirates July 14, 2020. Picture taken July 14, 2020. REUTERS/Ahmed Jadallah

Airport security checks luggages after the reopening of Baghdad International Airport, where flights halted due to the coronavirus disease (COVID-19) outbreak, in Baghdad, Iraq July 23, 2020. REUTERS/Thaier al-Sudani

Tourists walk with their luggage, after Catalonia's regional authorities and the city council announced restrictions to contain the spread of the coronavirus disease (COVID-19) in Barcelona, Spain July 17, 2020. REUTERS/Nacho Doce

A tourist walks with her luggage, after Catalonia's regional authorities and the city council announced restrictions to contain the spread of the coronavirus disease (COVID-19) in Barcelona, Spain July 17, 2020. REUTERS/Nacho Doce

Passengers wearing protective masks walk with their luggage at Gatwick Airport, as travel restrictions are eased following the coronavirus disease (COVID-19) outbreak, in Gatwick, Britain July 10, 2020. REUTERS/Toby Melville

A passenger wearing a protective mask walks with his luggage at Gatwick Airport, as travel restrictions are eased following the coronavirus disease (COVID-19) outbreak, in Gatwick, Britain July 10, 2020. REUTERS/Toby Melville

A family stands by, while their luggage is being checked with a sniffer dog at the domestic wing of the Nnamdi Azikiwe International Airport, on its re-opening day for domestic flight operations, following the coronavirus disease (COVID-19) outbreak, in Abuja, Nigeria July 8, 2020. REUTERS/Afolabi Sotunde

Guests carry their luggage inside a tear drop-shaped tent hanging from a tree created by Dutch artist Dre Wapenaar, offering an unusual accommodation for tourists in the Belgian countryside, near Borgloon, Belgium, July 7, 2020. Picture taken July 7, 2020. REUTERS/Francois Lenoir

People sit on their luggage outside the Beijing Railway Station, after an outbreak of the coronavirus disease (COVID-19), in Beijing, China July 3, 2020. REUTERS/Thomas Peter

A passenger wearing a protective face mask pushes his luggage as he leaves to Istanbul on an exceptional flight, following the outbreak of the coronavirus disease (COVID-19), at Baghdad International Airport, in Baghdad, Iraq July 2, 2020. REUTERS/Khalid al-Mousily

A worker pushes luggage outside Beirut international airport on its re-opening day following the coronavirus disease (COVID-19) outbreak, in Beirut, Lebanon July 1, 2020. REUTERS/Aziz Taher

A worker carries a luggage at a conveyor belt at Beirut international airport on its re-opening day following the coronavirus disease (COVID-19) outbreak, in Beirut, Lebanon July 1, 2020. REUTERS/Aziz Taher

Passengers from Germany wait for the luggage as they arrive at the Rhodes International Airport after the lifting of travel restrictions following the coronavirus disease (COVID-19) outbreak, on the island of Rhodes, Greece July 1, 2020. REUTERS/Alkis Konstantinidis

An ATR 72-600 passenger plane of Ukraine's Windrose Airlines flying to Odesa is loaded with luggage before its first flight at the Boryspil International Airport outside Kyiv, Ukraine June 27, 2020. REUTERS/Valentyn Ogirenko

A stewardess of Ukraine's Windrose Airlines wearing personal protective equipment checks luggage shelves prior to the departure for Odesa inside an ATR 72-600 passenger plane operating its first flight at the Boryspil International Airport outside Kyiv, Ukraine June 27, 2020. REUTERS/Valentyn Ogirenko

Passengers queue at the luggage drop-off as the Paris' Orly Airport reopens following the coronavirus disease (COVID-19) outbreak in France, June 26, 2020. REUTERS/Charles Platiau

A man sits with his luggage as people enjoy the sunny weather, as Spain officially reopens the borders amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain June 21, 2020. REUTERS/Nacho Doce

A man sits with his luggage as people enjoy the sunny weather, as Spain officially reopens the borders amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain June 21, 2020. REUTERS/Nacho Doce

A woman wearing a protective mask carries her luggage at the Hurghada Maritime Port, amid the coronavirus disease (COVID-19) outbreak, in Hurghada, Egypt June 19, 2020. REUTERS/Mohamed Abd El Ghany

A man wearing a protective mask carries his luggage before scanning at the Hurghada Maritime Port, amid the coronavirus disease (COVID-19) outbreak, in Hurghada, Egypt June 19, 2020. REUTERS/Mohamed Abd El Ghany

People wearing face masks carry their luggage upon arrival, following an outbreak of the coronavirus disease (COVID-19), at Hurghada International Airport in Hurghada, Egypt, June 18, 2020. REUTERS/Mohamed Abd El Ghany

An employee of Fraport airport disinfects luggage trolleys during a guided tour hosted by Fraport airport and the airline to present their hygiene procedures as travel bans are lifted after the coronavirus disease (COVID-19) outbreak at the airport in Frankfurt, Germany, June 17, 2020. REUTERS/Kai Pfaffenbach

A traveler wearing protective gear walks with luggage at the departure hall of Beijing Capital International Airport after scores of domestic flights in and out of the Chinese capital were cancelled following the new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 17, 2020. REUTERS/Carlos Garcia Rawlins

Workers load the luggage inside an EasyJet plane at Lisbon's airport during the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 15, 2020. REUTERS/Rafael Marchante

German tourists wearing face masks carry their luggage to a bus upon arrival at the Palma de Mallorca airport, as part of a tourism pilot program before officially reopening the borders after the coronavirus disease (COVID-19) outbreak, in Palma de Mallorca, Spain June 15, 2020. REUTERS/Enrique Calvo

German tourists carry their luggage to a bus upon arrival at the Palma de Mallorca airport, as part of a tourism pilot program before officially reopening the borders after the coronavirus disease (COVID-19) outbreak, in Palma de Mallorca, Spain June 15, 2020. REUTERS/Enrique Calvo

German tourists wearing protective masks leave their luggage in a bus upon arrival at the Palma de Mallorca airport, as part of a tourism pilot program before officially reopening the borders after the coronavirus disease (COVID-19) outbreak, in Palma de Mallorca, Spain June 15, 2020. REUTERS/Enrique Calvo

A Swissport luggage carrier is pictured at the Zaventem International Airport, as Belgium eases restrictions aimed to contain the spread of the coronavirus disease (COVID-19) outbreak, near Brussels, Belgium June 15, 2020. REUTERS/Francois Lenoir

A passenger wearing a protective mask pulls his luggage on a platform at Midi/Zuid railway station in Brussels as Reuters journalist Gabriela Baczynska travels 1,300 kilometres across Europe from Brussels to her hometown Warsaw during the coronavirus disease (COVID-19) outbreak, Belgium, June 10, 2020. Picture taken June 10, 2020. REUTERS/Gabriela Baczynska

A luggage with a note "let us go home" written in Filipino is pictured beside stranded passengers, mostly Overseas Filipino Workers (OFW) with cancelled flights due to the coronavirus disease (COVID-19) outbreak, as they take shelter under the NAIA Expressway, outside the Ninoy Aquino International Airport in Pasay City, Metro Manila, Philippines June 11, 2020. REUTERS/Eloisa Lopez

A man holding a luggage checks his mobile phone as he walks on a footbridge in Beijing, China June 4, 2020. REUTERS/Carlos Garcia Rawlins

A passenger wearing a protective face mask carries her luggage at Rome's Termini train station as Italy relaxes more of its restrictions and allows free movement across the country to unwind its rigid lockdown due to the coronavirus disease (COVID-19) outbreak, in Rome, Italy June 3, 2020. REUTERS/Guglielmo Mangiapane

Commuters wearing protective face masks carry their luggage on stairs at Milan central station, as Italy eases movement between regions as the country unwinds its rigid coronavirus disease (COVID-19) lockdown, in Milan, Italy June 3, 2020. REUTERS/Flavio Lo Scalzo

A person wearing a protective face mask and gloves pushes luggage trolleys at Fiumicino Airport as Italy eases movement between regions, while the country unwinds its rigid lockdown due to the coronavirus disease (COVID-19) outbreak, in Rome, Italy June 3, 2020. REUTERS/Yara Nardi