Art of darkness? Tate Modern

This is impressive from the outside, as you face a huge rectangle of blackness. It is genuinely frightening, and I really did bump directly into the black, back wall. But, here’s the thing, it was a transitory and brief encounter. The place is packed with people taking photographs, looking around with their mobile light on, and generally being loud and obnoxious. So much for art bringing out the best in people, in this case it infantilised. Ian Jack’s piece on Saturday was spot on. The turbine hall has become a fairground.

It could have been so different. the piece could have been deeper and more frightening, and curated so that you're free to enjoy a personal and not a social aesthetic experience.