Siblings walk along a railway tracks at a slum area as the outbreak of the coronavirus disease (COVID-19) continues, in Karachi, Pakistan July 9, 2020. REUTERS/Akhtar Soomro

A man sits on a milestone along a railway track at a slum area as the outbreak of the coronavirus disease (COVID-19) continues, in Karachi, Pakistan July 9, 2020. REUTERS/Akhtar Soomro

A railway track is seen after floods caused by torrential rain swept through Kumamura, Kumamoto Prefecture, southwestern Japan, July 9, 2020. REUTERS/Kim Kyung-Hoon

A cat walks on train tracks near a railway station, amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, July 8, 2020. REUTERS/Dinuka Liyanawatte

A boy plays cricket on an abandoned railway track during an extended nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19), in Mumbai, India, May 19, 2020. REUTERS/Francis Mascarenhas TPX IMAGES OF THE DAY

A migrant worker walks along a railway track to return to his home state of central Madhya Pradesh, during an extended nationwide lockdown to slow the spreading of the coronavirus disease (COVID-19), in Ahmedabad, India, May 19, 2020. REUTERS/Amit Dave

A Railway Police Force member sits next to a railway track as migrant workers return to their home state, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

The daughter of a migrant worker carrying her belongings walks along a railway track to return to her home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers fill their bottles from a broken water pipeline next to a railway track as they return to their village, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers with their faces covered and carrying their belongings, walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

A Railway Police Force member stands on a railway track to stop the migrant workers who are returning to their home states, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers carrying their belongings walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers carrying their belongings walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers carrying their belongings walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers carrying their belongings and with their faces covered walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers carrying their belongings and with their faces covered walk along a railway track to return to their home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi TPX IMAGES OF THE DAY

A migrant worker carrying his belongings walks along a railway track to return to his home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

A migrant worker carries his son as he walks along a railway track to return to his home state of eastern Bihar, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ghaziabad, in the outskirts of New Delhi, India, May 13, 2020. REUTERS/Adnan Abidi

Migrant workers walk along a railway track to return to their home state of eastern West Bengal, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ahmedabad, India, May 11, 2020. REUTERS/Amit Dave

Migrant workers walk along a railway track to return to their home state of eastern West Bengal, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ahmedabad, India, May 11, 2020. REUTERS/Amit Dave

Migrant workers walk along a railway track to return to their home state of eastern West Bengal, during an extended nationwide lockdown to slow the spread of the coronavirus disease (COVID-19), in Ahmedabad, India, May 11, 2020. REUTERS/Amit Dave

Local residents stand on railway tracks outside their homes during an extended nationwide lockdown to limit the spreading of the coronavirus disease (COVID-19), in New Delhi, May 8, 2020. REUTERS/Adnan Abidi

Local residents wearing protective face masks walk on a railway track outside their homes during an extended nationwide lockdown to limit the spreading of the coronavirus disease (COVID-19), in New Delhi, May 8, 2020. REUTERS/Adnan Abidi

A boy plays badminton on a railway track near slums during the curfew amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka, May 4, 2020. REUTERS/Dinuka Liyanawatte

Health workers wearing protective gear walk on a railway track as they arrive in a slum area for a door-to-door verification of people to find out if they have developed any of the coronavirus disease (COVID-19) symptoms, in Kolkata, India, April 24, 2020. REUTERS/Rupak De Chowdhuri

A woman walks past clothes kept for drying on railway tracks during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in in Mumbai, India, April 2, 2020. REUTERS/Prashant Waydande

Migrant workers bath near railway tracks during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in in Mumbai, India, April 2, 2020. REUTERS/Prashant Waydande

Migrant workers make tea near railway tracks during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in in Mumbai, India, April 2, 2020. REUTERS/Prashant Waydande

A migrant worker wearing a handkerchief as a mask sleeps next to a railway track during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in in Mumbai, India, April 2, 2020. REUTERS/Prashant Waydande

Migrant workers rest on a railway track during a 21-day nationwide lockdown to slow the spreading of coronavirus disease (COVID-19) in in Mumbai, India, April 2, 2020. REUTERS/Prashant Waydande

Greek soldiers stand on the railway tracks as they patrol next to the Greek-Turkish border near the village of Marasia, in the region of Evros, Greece March 7, 2020. REUTERS/Alexandros Avramidis

Greek soldiers walk on the railway tracks as they patrol next to the Greek-Turkish border near the village of Marasia, in the region of Evros, Greece March 7, 2020. REUTERS/Alexandros Avramidis

French gendarmes walk on rail tracks damaged by a landslide in Duntzenheim near the site of a derailed high-speed TGV train operated by state-owned railway company SNCF in Ingenheim, near Strasbourg, France, March 5, 2020. REUTERS/Pascal Rossignol

French gendarmes walk on rail tracks damaged by a landslide in Duntzenheim near the site of a derailed high-speed TGV train operated by state-owned railway company SNCF in Ingenheim, near Strasbourg, France, March 5, 2020. REUTERS/Pascal Rossignol

A French gendarme walks on rail tracks damaged by a landslide in Duntzenheim near the site of a derailed high-speed TGV train operated by state-owned railway company SNCF in Ingenheim, near Strasbourg, France, March 5, 2020. REUTERS/Pascal Rossignol

French gendarmes walk on rail tracks damaged by a landslide in Duntzenheim near the site of a derailed high-speed TGV train operated by state-owned railway company SNCF in Ingenheim, near Strasbourg, France, March 5, 2020. REUTERS/Pascal Rossignol

Greek soldiers walk on the railway tracks as they patrol next the Greek-Turkish border near the village of Marasia, in the region of Evros, Greece, March 5, 2020. REUTERS/Alexandros Avramidis

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

A CN train sits on the tracks behind a sign placed by supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Police officers speak to supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Police officers speak to supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, at a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi

Supporters of the Wet'suwet'en Nation, who are trying to stop construction of British Columbia's Coastal GasLink pipeline, form a blockade of Canadian National Railway (CN Rail) train tracks in Montreal, Quebec, Canada March 2, 2020. REUTERS/Christinne Muschi TPX IMAGES OF THE DAY

OPP officers douse flames lit on Canadian National Railway (CN Rail) tracks beside an encampment of the Tyendinaga Mohawk Territory, set up in support of the Wet'suwet'en Nation who are trying to stop construction of British Columbia's Coastal GasLink pipeline, in Tyendinaga, Ontario, Canada February 26, 2020. REUTERS/Alex Filipe

Ontario Provincial Police (OPP) officers guard the site of a dismantled Tyendinaga Mohawk Territory camp next to Canadian National Railway (CN Rail) train tracks in Tyendinaga, Ontario, Canada February 25, 2020. REUTERS/Chris Helgren

Ontario Provincial Police (OPP) officers guard the site of a dismantled Tyendinaga Mohawk Territory camp next to Canadian National Railway (CN Rail) train tracks in Tyendinaga, Ontario, Canada February 25, 2020. REUTERS/Chris Helgren

Ontario Provincial Police (OPP) officers guard the site of a dismantled Tyendinaga Mohawk Territory camp next to Canadian National Railway (CN Rail) train tracks in Tyendinaga, Ontario, Canada February 25, 2020. REUTERS/Chris Helgren

First Nation's members watch from a second encampment as a tire fire burns on train tracks, just after the first Canadian National Railway (CN Rail) freight train passed through the Tyendinaga Mohawk Territory in weeks, in Tyendinaga, Ontario, Canada February 24, 2020. Picture taken February 24, 2020. Rail service had resumed following a police raid on a main encampment about 3 kilometres (1.8 miles) away. REUTERS/Chris Helgren

A fire from a lit tire burns on train tracks just after the first Canadian National Railway (CN Rail) freight train passed through the Tyendinaga Mohawk Territory in weeks, following a police raid earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. Picture taken February 24, 2020. REUTERS/Chris Helgren

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

A youth lights a fire on train tracks just after the first Canadian National Railway (CN Rail) train passed through the Tyendinaga Mohawk Territory, after a camp next to the tracks was raided by police earlier in the day, in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

A youth lights a fire on train tracks just after the first Canadian National Railway (CN Rail) train passed through the Tyendinaga Mohawk Territory, after a camp next to the tracks was raided by police earlier in the day, in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren TPX IMAGES OF THE DAY

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

The first Canadian National Railway (CN Rail) train passes through the Tyendinaga Mohawk Territory after a camp next to the tracks was raided by police earlier in the day in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren