Chancelot Mill, Western Harbour, Leith Docks, Edinburgh: the second-largest flour mill in Europe. Alleged by some sources to have originally been a clandestine vertical assembly building. “Aye, it’s a mill the now, right enough,” say local residents. “But back in the day, we was kept up half the night when they moved whatever they put thegither inside the place to they massive transporter ships that only docked after dark.”