30 works by five of Cuba's leading contemporary artists arrives to Marlborough Chelsea this week.

At first retrospective in the UK of Ai Weiwei's work, at London's Lisson Gallery, the artist's "Surveillance Camera" is on display.

"I'm a little bit embarrassed about the tampons. When we unpacked that work I was like, 'oh no'," Tracey Emin on her retrospective.