The overall objective of Lot 3 – China Europe Cooperation on Sponge Cities (CECoSC) is to enhance EU-CN Water Cooperation on water management in urban (delta) areas with activities leading to policy, regulation and management recommendations. The focus is on the Sponge City Concept (SCC): "Restore the city’s capacity to absorb, infiltrate, store, purify, drain and manage rain water and regulate the water cycle as much as possible to mimic the natural hydrological cycle".