Voiceover: Spanned by footbridges and shaded by greenery, the open nullah at King Yip Street in Kwun Tong has undergone a remarkable transformation. Now known as Tsui Ping River, the revitalised ...

O nce a drab musty-smelling nullah, the Tsui Ping River that has helped prevent flooding in Hong Kong's Kwun Tong for decades has taken on a new life with the construction of a smart water gate ...