old railroad tunnel, now with a bike road

weathered waterway wall visible tunnel trees tree transport trail track text surrounded subway stones stone small sign side setting runs ruins road right repurposed recreational railroad plant paved path old lush lane infrastructure hints greenery green former entrance designed dark curved conversion constructed canal building bridge biking bike bicycles asphalt archway arch alley bike bicycle cycling fahrrad rad bicicleta two-wheeled steerable machine pedal riding ride driving velo biking