On the morning of April 27, at Nguyen Tat Thanh Square, Tuyen Quang city, Tuyen Quang province, the opening ceremony of the 4rd Tuyen Quang International Hot Air Balloon Festival, 3, was held.
Vnews
Source: https://vnews.gov.vn/video/khai-mac-le-hoi-khinh-khi-cau-quoc-te-tuyen-quang-lan-thu-3-118846.htm