Changing stories

A documentary explores the impact of four decades of China's reform and opening-up through the recollections of 40 people, Xu Fan reports.

Beijing native Zhang Yang began to collect vintage tin toys in 1997 and now has a private gallery of up to 5,000 decades-old antique playthings.

His collection reflects the huge transformation and unprecedented expansion of the Chinese toy industry over the past a few decades and is featured in the documentary series, Forty Details of Our Lives.