Vientian, Aug. 22 -- Vietnamese Vice President Vo Thi Anh Xuan and her Lao counterpart Pany Yathotou attended a ceremony in Vientiane on August 22 to recognise the "Truong Son Trail - Ho Chi Minh Trail in Laos" as a national historical relic of the country. In December 1960, to meet the requirements of the struggle for national liberation and resistance against the US, the Lao People's Party (now the Lao People's Revolutionary Party) and the Vietnam Workers' Party (now the Communist Party of Vietnam) agreed to survey and construct a strategic transport route known as the Ho Chi Minh Trail in Laos. The route not only served military and logistical transport purposes but also functioned as a strategic base of mutual support, symbolising the...