The elements of river revitalization have been incorporated into the river improvement works in Upper Lam Tsuen River, including a fish ladder laid in the river to help fish getting to the upstream.

The elements of river revitalization have been incorporated into the river improvement works in Upper Lam Tsuen River, including a fish ladder laid in the river to help fish getting to the upstream.

The elements of river revitalization have been incorporated into the river improvement works in Upper Lam Tsuen River, including a fish ladder laid in the river to help fish getting to the upstream.

The elements of river revitalization have been incorporated into the river improvement works in Upper Lam Tsuen River, including a fish ladder laid in the river to help fish getting to the upstream.