Dien Bien, Sept. 19 -- A series of activities opened at May 7 Square in Dien Bien Phu ward, Dien Bien province, on September 19 as part of the 2025 Northwestern Quintessence - Dien Bien Festival, attracting a large number of locals and tourists. The festival aims to promote the image of Dien Bien, foster tourism cooperation between six provinces in the expanded Northwest region and Ho Chi Minh City, and enhance relations with northern Lao provinces, China, and international partners. Speaking at the opening ceremony, Vice Chairman of the Dien Bien provincial People's Committee Vu A Bang described the Northwest as a frontier land with great tourism potential thanks to its majestic landscapes, diverse culture of over 30 ethnic groups, and p...