I used to work in a classic of Bad Brutalism - I saw the plans once, and it was clear the architect had a vision of airy sunlit openness which in the real, subject-to-physics world just translated into mysterious, dank wasted space that 40 years of human, institutional use had filled with mouldering ceiling tiles, wobbly partitions and a foyer-to-common-room conversion so inept that it was heated with those wall-mounted heaters that they have in outdoor smoking areas. For all the futurism, they'd never envisaged a time when there wouldn't be a tea lady and trolley on hand to serve the staff their coffee and buns and do the washing-up afterwards...