Everything tagged: quarry

Dear all,

A friend of mine went hiking up Fung Mei Path in Diamond Hill where the quarry used to be and noticed these structures. She assumed I'd know their exact purpose - well, I told her I guessed they were ventilation shafts, but no idea why a quarry would have them? Anyone well-versed in granite quarrying techniques from the 1950's that might know what they were for?

As an avid hiker I stumbled on a trail that leads from Mount Butler Road down to the valley creek which runs in a South Western direction from Tiger Balm to the quarry by Jardine's lookout. 

There's a myriad of terraces, relicts, overgrown trails, stairs, which seem to have not been visited for decades. Even the trails from Various map sources were

very hard to find if not existing anymore. We def ended crashing through the undergrowth to reach the creek which wasnt without danger.