People queue to board a train during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People wait on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People wait on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People queue to board a train during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People wait on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People walk between platforms during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

A train travels towards Central London from Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People walk between platforms during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People walk between platforms during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People queue to board a train during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People wait on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

A person stands on a platform during morning rush hour as a train passes through Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People stand on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

A train travels towards Central London from Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls TPX IMAGES OF THE DAY 

People wait on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

People stand on a platform during morning rush hour at Clapham Junction station during a heavily reduced railway service, amid an ongoing rail worker strike over pay and terms, in London, Britain, December 14, 2022. REUTERS/Henry Nicholls 

A train approaches Clapham Junction station along snow covered tracks as rail employees strike over pay and terms, in London, Britain December 13, 2022. REUTERS/Toby Melville 

Snow covered tracks are seen from Clapham Junction station as rail employees strike over pay and terms, in London, Britain December 13, 2022. REUTERS/Toby Melville 

A train approaches Clapham Junction station along snow covered tracks as rail employees strike over pay and terms, in London, Britain December 13, 2022. REUTERS/Toby Melville 

Trains are parked at Clapham Junction station as rail employees strike over pay and terms, in London, Britain December 13, 2022. REUTERS/Toby Melville 

A boy sits on a trolley bag being pulled by his father upon their arrival from New Delhi in a train, after a limited reopening of India's giant rail network, following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 14, 2020. REUTERS/Rupak De Chowdhuri TPX IMAGES OF THE DAY 

Bus drivers wearing protective gear wait for people that arrived from the southern state of Tamil Nadu after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

A police officer uses a megaphone to urge people to maintain safe distance upon disembarking from the train that arrived from the southern state of Tamil Nadu after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

People look out from a train window upon arriving from the southern state of Tamil Nadu after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

A police officer directs a woman to a bus that will take her to her home town upon her arrival from the southern state of Tamil Nadu in a train after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

A man wearing a protective gear sprays disinfectant on a train before it heads to New Delhi after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

People wearing gloves wave their hands from a train upon arriving from the southern state of Tamil Nadu after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

People with their luggage walk to board a train that will take them to New Delhi after India announced a limited reopening of its giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

A woman with her luggage walks to board a train that will take her to New Delhi after India announced a limited reopening of its giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. REUTERS/Rupak De Chowdhuri 

A man sprays disinfectant as another prepares temporary help desks for passengers at the Howrah Junction railway station after India announced a limited re-opening of its giant rail network beginning on Tuesday, after a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), on the outskirts of Kolkata India, May 11, 2020. REUTERS/Rupak De Chowdhuri 

Workers clean a platform at the Howrah Junction railway station after India announced a limited re-opening of its giant rail network beginning on Tuesday, after a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), on the outskirts of Kolkata India, May 11, 2020. REUTERS/Rupak De Chowdhuri 

A worker cleans a platform at the Howrah Junction railway station after India announced a limited re-opening of its giant rail network beginning on Tuesday, after a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), on the outskirts of Kolkata India, May 11, 2020. REUTERS/Rupak De Chowdhuri 

A man carries plastic chairs to arrange them at the Howrah Junction railway station after India announced a limited re-opening of its giant rail network beginning on Tuesday, after a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), on the outskirts of Kolkata India, May 11, 2020. REUTERS/Rupak De Chowdhuri TPX IMAGES OF THE DAY 

Railway tracks can be seen near piles of harvested wheat covered with plastic sheets at the depot for GrainCorp, Australia's largest listed bulk grain handler, located in the New South Wales town of Burren Junction, located north-west of Sydney in Australia, March 16, 2017. Picture taken March 16, 2017. REUTERS/David Gray 

Rail tracks are seen as strikes continue on the Southern rail network, at Clapham Junction in London, Britain, December 16, 2016. REUTERS/Toby Melville 

A worker walks between tracks as strikes continue on the Southern rail network, at Clapham Junction in London, Britain, December 16, 2016. REUTERS/Toby Melville 

Passengers wait at a platform as strikes continue on the Southern rail network, at Clapham Junction in London, Britain, December 16, 2016. REUTERS/Toby Melville 

A passenger waits at a platform as strikes continue on the Southern rail network, at Clapham Junction in London, Britain, December 16, 2016. REUTERS/Toby Melville 

A passenger waits at a platform as strikes continue on the Southern rail network, at Clapham Junction in London, Britain, December 16, 2016. REUTERS/Toby Melville 

Overview of the site of the intersection between the works of Transnordestina railroad, with one of the canals being built to divert water from the Sao Francisco river for use in four drought-plagued states, and BR 232 highway at the entrance of the city of Salgueiro, Pernambuco State, Brazil, Picture taken in January, 29, 2014. REUTERS/Ueslei Marcelino 

Rail workers attend the scene of a train derailment on the Euston to Milton Keynes line, at Hunton Bridge tunnel, north of Watford Junction station, Britain September 16, 2016. REUTERS/Eddie Keogh 

Emergency services and rail workers attend the scene of a train derailment on the Euston to Milton Keynes line, at Hunton Bridge tunnel, north of Watford Junction station, Britain September 16, 2016. REUTERS/Eddie Keogh 

Emergency services and rail workers attend the scene of a train derailment on the Euston to Milton Keynes line, at Hunton Bridge tunnel, north of Watford Junction station, Britain September 16, 2016. REUTERS/Eddie Keogh 

Emergency services and rail workers attend the scene of a train derailment on the Euston to Milton Keynes line, at Hunton Bridge tunnel, north of Watford Junction station, Britain September 16, 2016. REUTERS/Eddie Keogh 

Emergency services and rail workers attend the scene of a train derailment on the Euston to Milton Keynes line, at Hunton Bridge tunnel, north of Watford Junction station, Britain September 16, 2016. REUTERS/Eddie Keogh 

A platform guard signals a Southern railway train for departure at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

A platform guard walks past a Southern railway train at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

A passenger walks past a Southern railway train at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

A passenger reads a newspaper in front of a Southern railway train at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

Passengers alight and board a Southern railway train at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

Passengers alight and board a Southern railway train at Clapham Junction rail station in south London, in Britain, September 2, 2016. REUTERS/Luke MacGregor

A migrant boy crosses railway tracks as he arrives at Gevgelija train station in Macedonia, close to the border with Greece, August 15, 2015. In the past month, an estimated 30,000 refugees have passed through Macedonia, another step in their uncertain search for a better life in western Europe. REUTERS/Stoyan Nenov

Refugees from eastern Ukraine have a free meal in a volunteer centre near railway station in Slaviansk February 9, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. REUTERS/Gleb Garanich (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen load Grad rockets before launching them towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen load Grad rockets before launching them towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen unload Grad rockets from a truck before launching them towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen launch a Grad rocket towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen launch Grad rockets towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen stand next to Grad multiple rocket launcher systems at their position outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT) 

Ukrainian servicemen launch a Grad rocket towards pro-Russian separatist forces outside Debaltseve, eastern Ukraine February 8, 2015. Nine Ukrainian soldiers have been killed and 26 wounded in fighting with Russian-backed separatists in Ukraine's eastern regions in the past 24 hours, a Kiev military spokesman said on Monday. Ukraine's military say fighting has been particularly intense around the town of Debaltseve, a major rail and road junction northeast of the city of Donetsk. Regional police chief Vyacheslav Abroskin said seven civilians had been killed by shelling in Debaltseve and another frontline town of Avdiivka on Sunday. Picture taken February 8, 2015. REUTERS/Alexei Chernyshev (UKRAINE - Tags: POLITICS CIVIL UNREST CONFLICT TPX IMAGES OF THE DAY)