“When you launch yourself from the top of one of Carsten Höller’s slides in Tate Modern’s Turbine Hall – the largest is 56 metres long and with a stomach-churning 27-metre drop – you leave a lot behind you. Principally, your dignity. And any sense of being an adult. And all control. … But is this crowd-pleasing work any more profound than a funfair helter-skelter? ‘The funfair experience is completely underrated,’ said Höller. ‘I don’t know why we don’t take it more seriously philosophically and artistically.’ “