Empty subway escalator in low light, capturing a sense of urban solitude and transit

escalator subway low light urban transit solitude public transport infrastructure movement station travel empty metal handrail steps motion indoor commute city life conveyance escalator stairs mobility accessibility daily commute urban scene city modern life deserted transport facility stainless steel underground no people perspective vanishing point architectural detail public space moving staircase convenience automated mechanical public safety safety greenish hue metallic texture rail quiet empty space absence depth