N.52°29.970, E.13°21.248

The hard sun slants through the windows of the station – two storeys above the Nollendorfplatz intersection. Down the centre of the wide streets, above Kreuzberg and Schöneberg, the elevated U1 railway rattles its way through the four storey buildings.

With their backs to the view out over the city, the waiting Berliners gaze at the tracks or the people opposite. Their breath forms back-lit clouds evaporating in the sharp light.