Sidewalks are also clean. Pedestrians throw trash into the numerous bins (including some marked recycle) along every sidewalk. Unlike in Berkeley and San Francisco, the trash bins are emptied regularly and never overflowing. Battalions of workers use 'grabbers' to pick up cigarette butts and stray trash from the streets.
So what is the National Clean City award? According to an article in China Daily, Lu Guoxian, secretary of the City Committee of the Communist Party of China, declared "The building of a sanitary city is not only for the title, its fundamental purpose is to improve people's well-being."