Essays / can you describe the hallway and the stairs of a mansion in great detail its for a book [2]

i want some to describe in great detail the hallway and staircase, as if you are just walking out of a room,its from a females point of view as she's following her friend/lover in the future (who is a male) down the hallway and down the staircase i want the hallway and stairs to be quite modern but still have a vintage look.I am just not very good at describing staircases and hallways, especially for a mansion.