The DSD implemented Kai Tak River Improvement Works in phases starting from 2011 by injecting various greening and ecological elements along the banks of the river, such as growing different types of plants (e.g. Bougainvillea spectabilis), placing imitation rocks in the riverbed to offer a rest place for fishes and birds (e.g. little egret).

The DSD implemented Kai Tak River Improvement Works in phases starting from 2011 by injecting various greening and ecological elements along the banks of the river, such as growing different types of plants (e.g. Bougainvillea spectabilis), placing imitation rocks in the riverbed to offer a rest place for fishes and birds (e.g. little egret).

The DSD implemented Kai Tak River Improvement Works in phases starting from 2011 by injecting various greening and ecological elements along the banks of the river, such as growing different types of plants (e.g. Bougainvillea spectabilis), placing imitation rocks in the riverbed to offer a rest place for fishes and birds (e.g. little egret).

The DSD implemented Kai Tak River Improvement Works in phases starting from 2011 by injecting various greening and ecological elements along the banks of the river, such as growing different types of plants (e.g. Bougainvillea spectabilis), placing imitation rocks in the riverbed to offer a rest place for fishes and birds (e.g. little egret).