Cannes interview: Wang Xiaoshuai/'Chongqing Blues'

Wang, 43, is no first-timer on the international festival circuit, long known for movies that take a hard look at contemporary China. In competition this year, his poignant 'Chongqing Blues' tells the story of a father who long ago abandoned his wife and son and returns to find out how the boy died, and explores the changing face of Chinese society.Duration: 01:15