In particular concern are the increasing numbers of people who live in urban slums, and the impact of urban governance on health. 特別值得關心的就是，住在城市貧民區有越來越多的人，和城市管理健康的衝擊。
The city gleans and collects scraps people contribute to development of circulation type city society, while they also bring a series of social problems of city administration. 城市拾荒者在為循環型城市社會的發展做出貢獻的同時，也給城市管理帶來了一系列的社會問題。
