The Director of Civil Engineering and Development, Mr Chai Sung-veng (centre); the Chairman of Yau Tsim Mong District Council, Mr Chan Man-yu (third left); Deputy Secretary for the Environment, Transport and Works (Works), Miss Janet Wong (third right); Acting District Officer of Yau Tsim Mong, Mr Fung Pan-chung (second right); and other officiating guests participating in the tree planting activity.