People walk past a freshly dug trench along a railway track in Soweto's Kliptown station, South Africa, September 22, 2020. Picture taken September 22, 2020. REUTERS/Siphiwe Sibeko

A damaged cable is seen on a railway track as a man sorts out recyclable material near a vandalized train station in Soweto's Kliptown, South Africa, October 19, 2020. Picture taken October 19, 2020. REUTERS /Siphiwe Sibeko

Woman carrying luggage walks along a railway track on the outskirts of Mumbai, India, November 12, 2020. REUTERS/Francis Mascarenhas TPX IMAGES OF THE DAY

Railway tracks are pictured in the harbour area where the ship "Pacific Grebe" carrying nuclear waste from British reprocessing plant Sellafield is expected in the coming hours in Nordenham, Germany October 31, 2020. REUTERS/Fabian Bimmer

A staff walks on railway tracks at the Swiss rail (SBB - CFF) station in Geneva, Switzerland, October 28, 2020. REUTERS/Denis Balibouse

A staff walks on railway tracks at the Swiss rail (SBB - CFF) station in Geneva, Switzerland, October 28, 2020. REUTERS/Denis Balibouse

A woman crosses the tracks as an investigator (2-L) works at the scene of an incident following the death of a U.S. Embassy in Ukraine employee, who was found unconscious by railway tracks in a park in Kyiv October 1, 2020. REUTERS/Gleb Garanich

An investigator works at the scene of an incident following the death of a U.S. Embassy in Ukraine employee, who was found unconscious by railway tracks in a park in Kyiv October 1, 2020. REUTERS/Gleb Garanich

An investigator works next to two women, at the scene of an incident following the death of a U.S. Embassy in Ukraine employee, who was found unconscious by railway tracks in a park in Kyiv October 1, 2020. REUTERS/Gleb Garanich

An investigator works at the scene of the incident following the death of a U.S. Embassy in Ukraine employee, who was found unconscious by railway tracks in a park in Kyiv October 1, 2020. REUTERS/Gleb Garanich

An investigator works at the scene of the incident following the death of a U.S. Embassy in Ukraine employee, who was found unconscious by railway tracks in a park in Kyiv October 1, 2020. REUTERS/Gleb Garanich

Red coal trucks zip up and down narrow dirt tracks, churning up clouds of dust in China's remote Gansu province. Nearby, the towering stanchions of a new railway bridge rise out of a muddy river winding through the hills. The Huaneng Group, one of five big Chinese state utilities, is building a $1.9 billion 4 gigawatt coal and power project in the northwestern region near the city of Qingyang, with the aim of delivering its electricity to the east of the country. The Zhengning Power Plant Project, which was revived in July four years after it was put on ice, encapsulates the competing pressures that lie behind China's economic and climate policies. REUTERS/Thomas Peter SEARCH "PETER COAL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES TPX IMAGES OF THE DAY Matching Text: CHINA-COAL/

A girl pushes her bicycle along the tracks of the deserted light railway that runs through central Jerusalem on Yom Kippur, the Jewish day of atonement and the holiest day in the Jewish calendar, as Israel imposes a second nationwide coronavirus disease (COVID-19) lockdown amid a rise in infections, September 28, 2020. REUTERS/Ammar Awad

Farmers shout slogans as they block a railway track during a protest against farm bills passed by India's parliament, in Devi Dasspura village on the outskirts of Amritsar, India, September 24, 2020. REUTERS/Munish Sharma

Farmers erect a temporary shade on railway tracks to take shelter from the sun as they block the rail tracks during a protest against farm bills passed by India's parliament, in Devi Dasspura village on the outskirts of Amritsar, India, September 24, 2020. REUTERS/Munish Sharma

A municipal worker crosses waterlogged railway tracks after heavy rainfall in Mumbai, India, September 23, 2020. REUTERS/Francis Mascarenhas

A healthcare worker wearing personal protective equipment (PPE) rests in an ambulance as he waits for people to collect their swab, at the construction site of a railway track, amidst the spread of the coronavirus disease (COVID-19), in Babla village on the outskirts of Ahmedabad, India, September 15, 2020. REUTERS/Amit Dave

A healthcare worker puts a pulse oximeter on a woman's finger to check her oxygen level during survey for the coronavirus disease (COVID-19) at the construction site of a railway track, amidst the spread of the disease in Babla village on the outskirts of Ahmedabad, India, September 15, 2020. REUTERS/Amit Dave

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