Hong Kong Cantopop singer Denise Ho gestures as she performs at the 2013 Strawberry Music Festival at Tongzhou Canal Park in Beijing, April 29, 2013. The festival will be held from April 29 to May 1. Picture taken April 29, 2013. [Photo/Agencies]

A woman body surfs during a performance at the 2013 Strawberry Music Festival at Tongzhou Canal Park in Beijing, April 29, 2013. [Photo/Agencies]

Fran Healy of Scottish band Travis performs at the 2013 Strawberry Music Festival at Tongzhou Canal Park in Beijing, April 29, 2013. [Photo/Agencies]