【文章內容簡介】
eak reduction and rainwater green space is more powerful than flat or raised green space in terms of rainwater harvesting and on the analysis of rainwater collection as an effective way to solve water shortage problem,this study focuses on an overview of the progress of sunken green space in ,issues in previous studies were discussed,and suggestions for future research were study might provide a scientific basis for solving the problem of urban water shortage,promoting urban water recycling and optimizing ecological service of urban landscape. Key words: water resourc