Two new exhibitions introduce two fascinating artists. One of the brightest emerging talents in Britain, Ergin Çavuşoğlu makes atmospheric video installations. Entanglement is a mesmerising play of colour and light, a typically impressive fusion of space, sound and imagery.

Nahum Tevet’s astonishing sculptural installation, Seven Walks, has been six years in the making. A vast, painstaking assemblage of thousands of elements, made of painted plywood, it is suggestive of both abstract painting and architectural models.