(From left) The Chairman of the Organising Committee of the World Sustainable Built Environment Conference, Mr Wong Tin-cheung, Conrad; the Secretary for Development (SDEV), Mr MA Siu-cheung, Eric; the Chief Executive, Mr C Y Leung; the Chairman of the Construction Industry Council, Mr Chan Ka-kui; and the Chairman of the Hong Kong Green Building Council, Mr Wong Bay, propose a toast to the guests from various countries.

（(From left) The Chairman of the Organising Committee of the World Sustainable Built Environment Conference, Mr Wong Tin-cheung, Conrad; the Secretary for Development (SDEV), Mr MA Siu-cheung, Eric; the Chief Executive, Mr C Y Leung; the Chairman of the Construction Industry Council, Mr Chan Ka-kui; and the Chairman of the Hong Kong Green Building Council, Mr Wong Bay, propose a toast to the guests from various countries.