If the only way to access the monastery is by being hoisted up 250 feet, then how did the builders get up there to build it in the first place? Was there an access way that collapsed in an earthquake or something?
Anyone with even a smattering of construction comprehension is trying to "see" gazillions of laborors, trundleing up a mountainside with 60 foot poles, or delicate terra cotta tiles, or whatever tool(s) used to anchor them babies to a sheer mountainside.
Even the modern convetances for the tourists had to be (I'd think) helicoptered up there.
Logistics guys .. logistics.
(The pyramid builders, being from outer space, and having an entirely different perspective of distance, thought they were putting their priests in close enough proximity to protect the Pharoahs ?)