Li Hengdi, a deputy to the Beijing Municipal People's Congress, has been invited to a budget meeting convened by the city's financial bureau. In the past, public expenditure was subjected to post hoc performance evaluation. That changed in 2011 when Beijing started implementing pre-performance evaluation. It has since been applied to all new projects with a budget surpassing 8 million yuan (about $1.1 million). How is the evaluation conducted, and what role do the People's Congress deputies play? Find the answers in the documentary From Village Hall to Great Hall – How Whole-process People's Democracy Works.