Not sure but I do know they employed Mohawk Indians who were fearless and would walk around without any safety gear.
Check out Fred dibnah on YouTube old steeple Jack from the Uk. Knocks down 300ft chimneys with a hammer and chisel. absolute legend
Circa 1971 I sat on a ridge and built a chimney stack leaning over the edge No harness just a ladder to get onto the roof
Did some dodgy things with respect to heights when a youngun. I completely freeze these days. Hate heights.
I'm pretty sure that I've been there - is it near Limerick in Southern Ireland? I most certainly wouldn't ride my bike along it if it is!!
No thanks. Struggle to keep my balance walking on the pavement theses days. And NO! It isnt after bevvies!