Yoko Ono
Media playback is unsupported on your device

Yoko Ono's 'wish trees' on show in Delhi

24 January 2012 Last updated at 17:38 GMT

Yoko Ono is among artists from around the world exhibiting at the India Art Fair in Delhi.

Her "wish tree" installation invites people to write down their wishes and take part.

Shilpa Kannan reports from Delhi.