For 300 years they've kept their special handshake, elaborate rituals and private symbols concealed. Now 30 Freemasons, from bankers to beekeepers, lift the shroud on Britain's most secret society… ⊕

What do this lot have in common? Not much, at first glance. There's a first response officer for the fire service, a scout leader, train driver, beekeeper, actress, chef and, well, the list goes on a…