US PREMIERE Documentary comedies are a rarity, even more so from China. But Weijun Chen has proven himself a master with such mirthful films as Please Vote for Me and The Biggest Chinese Restaurant in the World. Now he finds comedy in Wuhan, the biggest city in Central China. We watch over a year as the Urban Management Bureau tries to displace a cantankerous street vendor. Chen brings out the humanity of everyone, even when they’re pushed to their limits.