Travellers from an international flight line up to board a shuttle which will take them to a quarantine hotel, as part of Canada's new measures against the coronavirus disease (COVID-19), at Toronto Pearson International Airport in Mississauga, Ontario, Canada February 24, 2021. REUTERS/Carlos Osorio

Chander Gawri shows the at-home COVID-19 test given to all international arrivals before he boards a shuttle which will take him to a quarantine hotel, as part of Canada's new measures against the coronavirus disease (COVID-19), at Toronto Pearson International Airport in Mississauga, Ontario, Canada February 24, 2021. REUTERS/Carlos Osorio

A worker uses her phone to take pictures of a high speed railway station that she has been working on, as she travels back to her dorm on a shuttle bus in Beijing, China. February 6, 2021. REUTERS/Tingshu Wang SEARCH "MIGRANTS WANG" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Yang Nianlian, 33, a migrant worker, waits with other security guards for the shuttle bus to take them to work early in the morning in Beijing, China, February 8, 2021. "A dream of mine is to work hard in the city and earn as much money as I can, for my family, for my child," Nianlian said, "But today I feel like I've let them down somehow." REUTERS/Tingshu Wang SEARCH "MIGRANTS WANG" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

Workers travel home on a shuttle bus in Beijing, China, January 31, 2021. REUTERS/Tingshu Wang SEARCH "MIGRANTS WANG" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES

A lorry driver looks out from an internal shuttle bus as he arrives at the Eurotunnel on route to France on the first day after the end of the Brexit transition period, Folkestone, Britain, January 1, 2021. REUTERS/Toby Melville

An Eurotunnel Shuttle freight from France to Britain is seen in Coquelles, near Calais, France, December 31, 2020. REUTERS/Pascal Rossignol

The Pit Stop at the Eurotunnel, where lorries are checked before boarding the Shuttle Freight from France to Britain, is seen in Coquelles near Calais, after France barred all people coming from the United Kingdom, for 48 hours from Sunday night, over fears of a new strain of the coronavirus, amid the spread of the coronavirus disease (COVID-19) in France, December 22, 2020. REUTERS/Pascal Rossignol

The Pit Stop at the Eurotunnel, where lorries are checked before boarding the Shuttle Freight from France to Britain, is seen in Coquelles near Calais, after France barred all people coming from the United Kingdom, for 48 hours from Sunday night, over fears of a new strain of the coronavirus, amid the spread of the coronavirus disease (COVID-19) in France, December 22, 2020. REUTERS/Pascal Rossignol

The Eurotunnel Shuttle Freight from Britain to France is seen in Coquelles near Calais, northern France, after France barred all people coming from the United Kingdom, for 48 hours from Sunday night, over fears of a new strain of the coronavirus, amid the spread of the coronavirus disease (COVID-19) in France, December 22, 2020. REUTERS/Pascal Rossignol

An empty Eurotunnel Shuttle Freight from Britain to France appears in Coquelles near Calais, northern France, after France barred all people coming from the United Kingdom, for 48 hours from Sunday night, over fears of a new strain of the coronavirus, amid the spread of the coronavirus disease (COVID-19) in France, December 22, 2020. REUTERS/Pascal Rossignol

An Eurotunnel freight shuttle enters the Channel Tunnel in Coquelles, near Calais, northern France, December 16, 2020. REUTERS/Pascal Rossignol

An Eurotunnel freight shuttle enters the Channel Tunnel in Coquelles, near Calais, northern France, December 16, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol

An Eurotunnel freight shuttle enters the Channel Tunnel in Coquelles, near Calais, northern France, December 16, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol

Trucks queue to embark aboard the freight shuttle at Eurotunnel terminal in Coquelles near Calais, France, December 16, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol

Trucks queue to embark aboard the freight shuttle at Eurotunnel terminal in Coquelles near Calais, France, December 16, 2020. Picture taken with a drone. REUTERS/Pascal Rossignol

People stand in front of a scaled model of the Challenger space shuttle at a space science museum in Wenchang, Hainan province, China November 22, 2020. REUTERS/Tingshu Wang

Ajay Singh, Chairman and Managing Director of Indian budget airline SpiceJet, speaks with the media next to a seaplane operated by SpiceJet's Spice Shuttle, in Ahmedabad, India, October 31, 2020. REUTERS/Amit Dave

A seaplane, operated by Indian budget airline SpiceJet's Spice Shuttle, lands in the waters of Sabarmati river after it was inaugurated by India's Prime Minister Narendra Modi, in Ahmedabad, India, October 31, 2020. REUTERS/Amit Dave

A patient shuttle arrives at the main entrance of the Mayo Clinic after Kuwait announced that ruling Emir Sheikh Sabah al-Ahmad al-Sabah had died during treatment at the Clinic in Rochester, Minnesota, U.S. September 29, 2020. REUTERS/Eric Miller

Unaccompanied refugee minors leave an airport shuttle as they board a plane to the mainland following a fire at the Moria camp for refugees and migrants on the island of Lesbos, Greece, September 9, 2020. REUTERS/Elias Marcou

Unaccompanied refugee minors leave an airport shuttle as they board a plane to the mainland following a fire at the Moria camp for refugees and migrants on the island of Lesbos, Greece, September 9, 2020. REUTERS/Elias Marcou

Stranded workers wait for shuttle services following the suspension of mass transportation on the first day of the government's reimplementation of a stricter lockdown to curb coronavirus disease (COVID-19) infections, in Quezon City, Metro Manila, Philippines, August 4, 2020. REUTERS/Eloisa Lopez

Stranded workers wait for shuttle services following the suspension of mass transportation on the first day of the government's reimplementation of a stricter lockdown to curb coronavirus disease (COVID-19) infections, in Quezon City, Metro Manila, Philippines, August 4, 2020. REUTERS/Eloisa Lopez

Stranded workers wait for shuttle services following the suspension of mass transportation on the first day of the government's reimplementation of a stricter lockdown to curb coronavirus disease (COVID-19) infections, in Quezon City, Metro Manila, Philippines, August 4, 2020. REUTERS/Eloisa Lopez

Shopping mall workers wearing masks for protection against the coronavirus disease (COVID-19) wait for a shuttle outside a mall, in Makati City, Metro Manila, Philippines, July 24, 2020. REUTERS/Eloisa Lopez

People wearing face masks following the outbreak of the coronavirus disease (COVID-19) get off a shuttle bus from the subway station during morning rush hour at the Financial Street area in Beijing, China July 16, 2020. REUTERS/Tingshu Wang

Same Diop, a taxi driver who says is unable to shuttle passengers between Touba and Dakar and struggling to support his family due to the coronavirus disease (COVID-19) restrictions, holds out his identity card as he begs on the street in the holy city of Touba, Senegal June 3, 2020. REUTERS/Zohra Bensemra

Traveling nurse Meghan Lindsey sits on a shuttle vehicle with Nekiesha Clark en route to their shift at NYU Health Hospital in the Queens borough of New York, U.S., May 5, 2020. Picture taken May 5, 2020. REUTERS/Shannon Stapleton

Traveling nurse Meghan Lindsey gets off a shuttle vehicle after her shift at NYU Winthrop Hospital in Garden City, New York, U.S., May 6, 2020. Picture taken May 6, 2020. REUTERS/Shannon Stapleton

A Hertz Global Holdings Inc. shuttle bus is seen at Los Angeles International Airport (LAX) on an unusually empty Memorial Day weekend during the outbreak of the coronavirus disease (COVID-19) in Los Angeles, California, U.S., May 23, 2020. REUTERS/Patrick T. Fallon

A flight crew member disembarks from a hotel shuttle van while wearing a protective mask at Los Angeles International Airport (LAX) on an unusually empty Memorial Day weekend during the outbreak of the coronavirus disease (COVID-19) in Los Angeles, California, U.S., May 23, 2020. REUTERS/Patrick T. Fallon

A Hertz Global Holdings Inc. shuttle bus is seen at Los Angeles International Airport (LAX) on an unusually empty Memorial Day weekend during the outbreak of the coronavirus disease (COVID-19) in Los Angeles, California, U.S., May 23, 2020. REUTERS/Patrick T. Fallon

Employees of Baidu wearing face masks get on a shuttle bus from the company's headquarters to another office compound in Beijing, following the novel coronavirus disease (COVID-19) outbreak, China May 18, 2020. REUTERS/Tingshu Wang

Workers wait in line for a shuttle at Tesla's primary vehicle factory after CEO Elon Musk announced he was defying local officials' coronavirus disease (COVID-19) restrictions by reopening the plant in Fremont, California, U.S. May 12, 2020. REUTERS/Stephen Lam

A general view of an NHS shuttle bus road marking outside the NHS Nightingale Hospital at the Excel Centre, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 5, 2020. REUTERS/John Sibley

Tourists travel in a shuttle bus to visit the Mutianyu section of the Great Wall of China on the first day of the five-day Labour Day holiday following the coronavirus disease (COVID-19) outbreak, on the outskirts of Beijing, China May 1, 2020. REUTERS/Thomas Peter

A woman wearing face masks sits with her dog as the spread of coronavirus disease (COVID-19) continues, aboard a shuttle bus at McCarran International Airport in Las Vegas, Nevada U.S., April 9, 2020. REUTERS/Shannon Stapleton

A medical worker wearing a protective mask sleeps inside a free shuttle service for healthcare workers following the suspension of mass transportation in Metro Manila to contain the spread of coronavirus disease (COVID-19), in Manila, Philippines, March 30, 2020. REUTERS/Eloisa Lopez

A medical worker wearing a protective mask rides a free shuttle service for healthcare workers following the suspension of mass transportation in Metro Manila to contain the spread of the coronavirus disease (COVID-19), in Manila, Philippines, March 30, 2020. REUTERS/Eloisa Lopez

Stranded tourists from Germany wait for a shuttle bus to transport them to the airport to board a chartered flight back to Germany on the fourth day of the lockdown imposed by Nepal's government amid concerns of the spread of the coronavirus disease (COVID-19), in Kathmandu, Nepal March 27, 2020. REUTERS/Navesh Chitrakar

Passengers wearing face masks to prevent the spread of coronavirus disease (COVID-19) are seen inside a shuttle bus at Shanghai Hongqiao International Airport in Shanghai, China March 25, 2020. REUTERS/Aly Song

A soldier checks the body temperature of a health worker before entering a free shuttle service following the suspension of mass transportation to contain the spread of coronavirus disease (COVID-19), in Quezon City, Metro Manila, Philippines, March 20, 2020. REUTERS/Eloisa Lopez

A soldier waits for health workers to board a free shuttle service following the suspension of mass transportation to contain the spread of coronavirus disease (COVID-19), in Quezon City, Metro Manila, Philippines, March 20, 2020. REUTERS/Eloisa Lopez

A health worker enters a free shuttle service following the suspension of mass transportation to contain the spread of coronavirus disease (COVID-19), in Quezon City, Metro Manila, Philippines, March 20, 2020. REUTERS/Eloisa Lopez

A soldier checks the body temperature of health workers before entering a free shuttle service following the suspension of mass transportation to contain the spread of coronavirus disease (COVID-19), in Quezon City, Metro Manila, Philippines, March 20, 2020. REUTERS/Eloisa Lopez

Asylum seekers are boarded into a shuttle outside the housing facilities for refugees at Lacolle, Quebec, Canada March 19, 2020. REUTERS/Christinne Muschi?

A family and other people from mainland China wait for free shuttle buses to a border gate to Zhuhai in Guangdong province, in Macau, China December 21, 2019. REUTERS/Jason Lee

People from mainland China wait for free shuttle buses to a border gate to Zhuhai, Guangdong province, in Macau, China December 21, 2019. REUTERS/Jason Lee

People from mainland China gather for free shuttle buses outside the Emperor Palace hotel and casino in Macau, China December 21, 2019. REUTERS/Jason Lee

People from mainland China gather for free shuttle buses outside the Emperor Palace hotel and casino in Macau, China December 21, 2019. REUTERS/Jason Lee

A traveler makes his way to a shuttle stop after a pre-Thanksgiving holiday snowstorm caused more than 460 flight cancellations at Denver International Airport, Colorado, U.S., November 26, 2019. REUTERS/Bob Strong

An airport worker clears a shuttle stop after a pre-Thanksgiving holiday snowstorm caused more than 460 flight cancellations at Denver International Airport, Colorado, U.S., November 26, 2019. REUTERS/Bob Strong

An airport worker clears a shuttle stop after a pre-Thanksgiving holiday snowstorm caused more than 460 flight cancellations at Denver International Airport, Colorado, U.S., November 26, 2019. REUTERS/Bob Strong

Fans of the National Women's Soccer League (NWSL) team the North Carolina Courage toast beers aboard a shuttle bus en route to the team's championship match against the Chicago Red Stars, in Raleigh, North Carolina, U.S. October 27, 2019. REUTERS/Amy Tennery

A shuttle bus for fans of the National Women's Soccer League (NWSL) team the North Carolina Courage waits to collect passengers ahead of the team's championship match against the Chicago Red Stars, in Raleigh, North Carolina, U.S. October 27, 2019. REUTERS/Amy Tennery

While the world’s Boeing 737 MAX fleet remains grounded in the wake of two fatal crashes, one aircraft sporting Air Canada livery has been spotted on flight tracking websites shuttling back and forth between Quebec and Ontario.

Bosch IoT shuttle is pictured at the 2019 Frankfurt Motor Show (IAA) in Frankfurt, Germany. September 10, 2019. REUTERS/Wolfgang Rattay

Sue Watson moves from a shuttle to another bus at an assisted living community after a mandatory evacuation order was issued ahead of the arrival of Hurricane Dorian in Kissimmee, Florida, U.S. September 2, 2019. REUTERS/Gregg Newton

An autonomous shuttle bus is seen during a public trial on Sentosa Island, Singapore August 26, 2019. Picture taken August 26, 2019. REUTERS/Travis Teo