Canberra, Aug. 12 -- General Secretary of the Communist Party of Vietnam Central Committee and President To Lam and the high-ranking Vietnamese delegation left Canberra at noon on August 12 (local time), concluding their four-day state visit to Australia and departing for a state visit to New Zealand. Seeing off the delegation at Canberra International Airport were Jeff Barnes and Patrick Gorman, respective representatives of the Australian Governor-General and Prime Minister; Deputy Secretary of the Department of the Prime Minister and Cabinet Justin Hayhurst; Australian Ambassador to Vietnam Gillian Bird; Vietnamese Ambassador to Australia Pham Hung Tam and his spouse; Vietnam's Consul General in Sydney Nguyen Thanh Tung and Consul Gene...