ROME, ITALY - OCTOBER 21, 2019: The Bramante Staircase is a double helix, having two staircases allowing people to ascend without meeting people descending Poster #318116582
ROME, ITALY - OCTOBER 21, 2019: The Bramante Staircase is a double helix, having two staircases allowing people to ascend without meeting people descending Poster #318116582
