It might not surprise you to hear that Bridge of Allan is doing rather well at the moment. In stark contrast to the closed shopfronts of Stirling town centre, Henderson Street is replete of well-established and freshly opened small businesses offering long blacks, focaccia and embroidery. However, on a damp Sunday morning, I passed on these fine offerings for something more esoteric. I headed up Mine Road to the Well House, where volunteers had …