Once their boats moved into the lagoon , they never moved out .
It acted as the shelter for nearby boat people , especially after large - scale land reclamation in Tsuen Wan and Kwai Chung .
Once boat people 's boats moved into the lagoon , boat people never moved out .
It acted as the shelter for nearby boat people , especially after large - scale land reclamation in Tsuen Wan and Kwai Chung .