Ceremony to receive certificate recognising ‘Hoang Hoa su trinh do’ as Documentary Heritage in Asia and the Pacific under UNESCO’s Memory of the World Programme (Photo: VNA) The two belong to Truong Luu village in Kim Song Truong commune of the province’s Can Loc district. Last year, the provincial People’s Committee sent a document to the Vietnam National Commission for UNESCO on the nomination of ‘Hoang Hoa su trinh do’ as World Heritage. In the coming time, more books on "Hoang Hoa su trinh do" will be published and introduced on the mass media. "Hoang Hoa su trinh do” (literally translated as maps and itinerary of the envoy’s journey to China) belongs to the Nguyen Huy family. With writings, drawings and maps, the book records the diplomatic relationship between Vietnam and China in the 18th century through journeys of Vietnamese envoys. It was compiled and edited by Nguyen Huy Oanh (1713-1789) based on documents of previous envoys and historical re