outside steel staircase on gray smartboard wall with terrace structure of modern house against cloudy on blue sky in home

angle architecture baluster balustrade banister blue building cloudy construction copy corrugated design exterior handrail home house incomplete industrial industry iron low material metal modern new nobody outside perspective pole porch post roof rooftop sheet side site sky smartboard space stair staircase stairway steel steps storey story structure terrace under unfinished urban view wall