I wish I'd thought of it! I remember a pub in York back in the '80s had the windows taped up and sandbags piled up at the door WW2-style; they even had the bouncers in battledress. "A mountain cave in China that was once the headquarters of a communist leader killed in a mysterious plane crash has been converted into a bizarre military-themed bar. First-time visitors to the quirky bar on the outskirts of Beijing could be forgiven for thinking they had stumbled across the scene of a disaster, as the fuselage of an aircraft has been used to create a startling entrance to the former bunker. The cave was the military headquarters of Lin Biao, a prominent figure in China's Cultural Revolution in the 1960s and '70s who worked alongside communist Chairman Mao Zedong." Chinese Communist leader Lin Biao's former military headquarters turned into a bar | Mail Online
the Chinese Cave Bar is smaller than the Siberian Brown or the Grizzley , so it has adapted 'Bunker technology to thrive where brute strength is not an optimal strategy...