His art challenges our perception: Forms vanish and perspectives shift. Anish Kapoor leads the viewer to the edge of the abyss — and sometimes, even beyond. Two new exhibitions revisit his work.

Butcher bags, human sacrifice and cavernous black holes … in a world of dry art this stunning exhibition forces us to confront religion and mortality

The artist takes visitors to the Hayward Gallery on a ‘metaphysical rollercoaster ride’