HongKong has been using the concept of sponge cities in its infrastructure for the past decade to prevent flooding.
 Produced by:CCTV English
 year: 2016
 Language: English
 Region: Asia
HongKong has been using the concept of sponge cities in its infrastructure for the past decade to prevent flooding.
 Produced by:CCTV English
 year: 2016
 Language: English
 Region: Asia