Mind the soot! Tube ride to the past(1/5)

Re-enactors talk as they board the restored steam locomotive Metropolitan No.1 that pulls into Ealing Broadway underground station in London, Britain, June 22, 2019.(Photo/Agencies)

People watch from the platform as the restored steam locomotive Metropolitan No.1 leaves Ealing Broadway underground station in London, Britain, June 22, 2019.(Photo/Agencies)

The restored steam locomotive Metropolitan No.1 pulls into Ealing Broadway underground station in London, Britain, June 22, 2019.(Photo/Agencies)

Re-enactors talk as the restored steam locomotive Metropolitan No.1 pulls into Ealing Broadway underground station in London, Britain June 22, 2019.(Photo/Agencies)

Re-enactors gesture as the restored steam locomotive Metropolitan No.1 leaves Ealing Broadway underground station in London, Britain, June 22, 2019.(Photo/Agencies)