The Secretary for Constitutional Affairs, Mr Stephen Lam, hosted a dinner this (April 23) evening to welcome a delegation of Pan-Pearl River Delta Secretaries-General upon their visit to Hong Kong. Photo shows Mr Lam presenting a souvenir to the Deputy Secretary-General of the Guangdong Provincial Government and Director-General of the Guangdong Hong Kong and Macao Affairs Office, Mr Tang Hao (left), who is the leader of the delegation.