the space between two staircases to the top of the subway

architecture handrail flooring property lighting ceiling stairs facade window design column floor iron wood wall roof room beam art background handrails balusters white construction building concept bright equipment subway bottom railing steps view moscow metro underpass empty space two staircases top transportation one city urban railings amenities tiled brown architectural details subway staircases architecture background building construction structure urban view transportation empty one city space white railings amenities wall symmetry ceiling railing details