Country Life Trending: Bull Yard, Coventry. Photo by English Heritage/Heritage Images. Credit: Getty Images The Twentieth Century Society's annual list of at-risk buildings has been released, and — as ever — will stimulate lively debate. Britain’s ‘high levels of architectural ingenuity and ambition’ are at stake, says the Twentieth Century (C20) Society, whose biennial Buildings at Risk List has been released. Of most current concern is Coventry’s ‘Festival of Britain-style’ Bull Yard, with a finger of rebuke firmly pointed at the council’s ‘appalling failure to protect its important post-war’ architecture. Bull Yard shopping area, Coventry, West Midlands, 30th May 1973. (Photo by Staff/Mirrorpix/Getty Images).