If you go to the Turbine Hall at Tate Modern, London, you will find that it has been transformed into a gigantic playground, on a scale that as a child, you could only have dreamt. The 35,520 square foot hall is full of three-person swings that can each comfortably accommodate a trio of oversized adults.
When I visited, the whole place was heaving. The swings were occupied by bald dads, their legs dangling, enjoying the flying and falling as they veered back and forth. Hundreds of visitors, e...