Measures to optimise transportation methods at border gates and promote cross-border tourism cooperation at Tan Thanh (Vietnam)-Po Chai (China), and Coc Nam (Vietnam)-Nong Yao (China) border gates were discussed at the talks between the People's Committee of the northern mountainous border province of Lang Son and the Party Committee of Chongzuo city, China's Guangxi province, on August 27.Source: Vietnam News Agency