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In adherence with COVID-19 rules, the actors were seen sporting protective face masks as they moved around the set in between scenes.
On Monday, younger members of the cast playing the new generation of the railway children were seen getting into character at the iconic Oakworth Station.
Retro look: Women were seen wearing 1940s-style garments and hairstyles as they chatted and mingled with other background actors on the picturesque set
So dapper: Not to be outdone, male castmembers were also seen looking stylish in retro suits
Army of extras: A host of men were seen looking smart in US army uniforms, portraying the Military Police Corps, as they prepared to shoot their scenes