Cao Bang, April 13 -- A 2026 border residents' exchange programme between the Vietnamese northeastern province of Cao Bang and the Chinese city of Chongzuo took place on April 13 at the Ban Gioc (Vietnam) - Detian (China) Waterfalls - the first cross-border tourism cooperation site jointly developed by the two countries. At the event, 30 local artists from both sides took part in boat performances, singing traditional folk duets along the border river in the area. The artists presented a variety of performances showcasing distinctive ethnic cultural identities and local traditions, while also engaging in group entertainment activities that created a lively and festive atmosphere for residents and visitors from both countries. The exchange...