Mrs Carrie Lam officiated at the opening ceremony of a Community Planting Day under the Landslip Prevention and Mitigation Programme in Tung Chung, today (March 3) with Director of Civil Engineering and Development, Mr Hon Chi-keung (second left), Head of Geotechnical Engineering Office, Mr Chan Yun-cheung (first left), Chairman of the Islands District Council, Mr Chow Yuk-tong (second right) and Chairman of the Geotechnical Division of the Hong Kong Institution of Engineers, Mr Edwin Chung (first right).