Quang Ninh, Sept. 15 -- As the 2026 autumn-winter tourism season gets under way, the northern coastal city of Quang Ninh is rolling out a series of distinctive cultural, sports and tourism activities aimed at connecting heritage values, extending visitors' stays and increasing their spending. A highlight of this year's autumn-winter tourism season is the Yen Tu festival 2026, featuring a wide range of events such as Mid-Autumn Festival celebrations, a Chinese chess tournament, the Yen Tu Heritage Marathon and the Yen Tu Ultra Trail race. Pham Xuan Thanh, Vice Chairman of the Yen Tu ward People's Committee, said the festival would bring into sharper focus the value of the Yen Tu world cultural heritage through a diverse range of experienti...