The Longest Straight Staircase in the World Has 699 Steps...
Team, today's stair running drill is going to... ...dder, a staircase in the UK Overseas Territory of Saint Helena . Settlers built it as an inclined plane in 1829 t...
https://www.neatorama.com/2011/12/30/the-longest-straight-staircase-in-the-world-has-699-steps/
