A woman carrying a child walks inside a railway station amidst the spread of the coronavirus disease (COVID-19), in Mumbai, India, February 23, 2021. REUTERS/Francis Mascarenhas

A healthcare worker uses an oximeter to check oxygen level of passengers at a railway station, amidst the spread of the coronavirus disease (COVID-19), in Mumbai, India, February 22, 2021. REUTERS/Niharika Kulkarni

A healthcare worker collects a swab sample from a passenger during a rapid antigen testing campaign for the coronavirus disease (COVID-19), at a railway station in Mumbai, India, February 22, 2021. REUTERS/Niharika Kulkarni

Farmers offer the police officers and administration officials (not pictured) sweets while blocking a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers throw flower petals while blocking a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers arrive in a tractor trolley to block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Security personnel stand guard as farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers arrive to block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers shout slogans while blocking a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers arrive in a tractor trolley to block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block railway tracks as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers block a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers shout slogans as they sit on railway tracks to stop trains during protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

Farmers block a railway track to stop train services at Modi Nagar railway station as part of protests against farm laws, in Modinagar, Uttar Pradesh, India, February 18, 2021. REUTERS/Anushree Fadnavis

Farmers sit on railway track to stop trains as part of protests against farm laws, in Sonipat, northern state of Haryana, India, February 18, 2021. REUTERS/Danish Siddiqui

A view of the Transportation Eastside Railway Yard next to the PES refinery in Philadelphia, Pennsylvania, U.S., November 1, 2020. Picture taken November 1, 2020. REUTERS/Dane Rhys

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

European Commission Vice President Maros Sefcovic leaves King's Cross railway station after making a statement, in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic looks on after arriving at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic makes a statement after arriving at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic makes a statement after arriving at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic arrives at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic makes a statement after arriving at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic arrives at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

European Commission Vice President Maros Sefcovic arrives at King's Cross railway station in London, Britain, February 11, 2021. REUTERS/Henry Nicholls

Paramilitary police officers patrol outside Beijing Railway Station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19), in Beijing February 8, 2021. Picture taken February 8, 2021. REUTERS/Thomas Peter

A woman waits in the departure hall of Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

Travellers walk in the departure hall of Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

A traveller waits to board his train at Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

A station staff member speaks through a bullhorn to travellers waiting to board their train at Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

A station staff member speaks through a bullhorn to travellers waiting to board their train at Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

Travellers wait to board their train at Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

Travellers board their train at Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

A station staff member stands in an empty hall of the Beijing South Railway station ahead of Lunar New Year celebrations following an outbreak of the coronavirus disease (COVID-19) in Beijing, China, February 10, 2021. REUTERS/Thomas Peter

Commuters walk on a railway platform after disembarking from a train amidst the spread of the coronavirus disease (COVID-19) in Mumbai, India, February 9, 2021. REUTERS/Francis Mascarenhas

Security personnel stand guard as travelers arrive at Beijing Railway Station ahead of Lunar New Year celebrations as the government urges people to avoid travel due to the coronavirus disease (COVID-19) outbreak, in Beijing, China February 8, 2021. REUTERS/Thomas Peter

Travelers arrive at Beijing Railway Station ahead of Lunar New Year celebrations as the government urges people to avoid travel due to the coronavirus disease (COVID-19) outbreak, in Beijing, China February 8, 2021. REUTERS/Thomas Peter

Travelers wearing face masks arrive at Beijing Railway Station ahead of Lunar New Year celebrations as the government urges people to avoid travel because of outbreaks of the coronavirus disease (COVID-19), in Beijing, China February 8, 2021. REUTERS/Thomas Peter

Travelers arrive at Beijing Railway Station ahead of Lunar New Year celebrations as the government urges people to avoid travel because of outbreaks of the coronavirus disease (COVID-19), in Beijing, China February 8, 2021. REUTERS/Thomas Peter

A traveler arrives at Beijing Railway Station ahead of Lunar New Year celebrations as the government urges people to avoid travel because of outbreaks of the coronavirus disease (COVID-19), in Beijing, China February 8, 2021. REUTERS/Thomas Peter

Enforcement agents walk at a makeshift camp as Extinction Rebellion activists occupy tunnels under Euston Square Gardens to protest against the HS2 high-speed railway in London, Britain February 7, 2021. REUTERS/Henry Nicholls??

A member of the eviction team walks at a makeshift camp as Extinction Rebellion activists occupy tunnels under Euston Square Gardens to protest against the HS2 high-speed railway in London, Britain February 7, 2021. REUTERS/Henry Nicholls??

Enforcement agents stand at a makeshift camp as Extinction Rebellion activists occupy tunnels under Euston Square Gardens to protest against the HS2 high-speed railway in London, Britain February 7, 2021. REUTERS/Henry Nicholls??

Enforcement agents stand next to a makeshift camp as Extinction Rebellion activists occupy tunnels under Euston Square Gardens to protest against the HS2 high-speed railway in London, Britain February 7, 2021. REUTERS/Henry Nicholls



A security quard stands at the entrance to a makeshift camp as set up by Extinction Rebellion activists at Euston Station in London, Britain February 7, 2021. REUTERS/Henry Nicholls

A homeless man from Bulgaria sits under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A Russian grocery store is pictured near a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

Homeless people from Romania rest under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

Homeless people from Romania and Bulgaria rest under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A homeless man from Bulgaria sits under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A homeless man from Bulgaria places a cup to collect money under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A pedestrian walks past homeless people under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

Cars pass next to homeless people under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A homeless man from Bulgaria gestures under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch

A homeless man from Bulgaria displays a flag Hertha BSC soccer club under a bridge at the Charlottenburg railway station, which has become a fixed meeting point for many homeless people to place their belongings, amid the coronavirus disease (COVID-19) pandemic during lockdown, in Berlin, Germany, February 4, 2021. REUTERS/Fabrizio Bensch