Yoko Ono gets conceptual and other arts stories

20 February 2013 Last updated at 14:35 ET Help

A plethora of work from conceptual artist Yoko Ono goes on display at a gallery in Frankfurt, a Roy Lichtenstein retrospective in London - and other arts stories from around the world.

Samreen Naz reports.

BBC © 2013 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.