探访亚洲第一、世界第四大跨国瀑布—— 一瀑流淌两国情 民心相通共潮生（边城见闻）

Core Viewpoint - The article highlights the significance of the Detian (Ban Gioc) Waterfall as a major cross-border tourism attraction between China and Vietnam, emphasizing cultural exchange and tourism cooperation in the region [1][2][11]. Group 1: Tourism Development - The Detian (Ban Gioc) Waterfall is located at the border of China and Vietnam, making it a unique cross-border tourism destination [1]. - The cross-border tourism cooperation zone officially began trial operations on September 15, 2023, with full operations expected by October 15, 2024 [2][3]. - The cooperation zone has already received 1,838 Chinese cross-border tourist groups and 639 Vietnamese groups, indicating a growing interest in cross-border tourism [3]. Group 2: Cultural Exchange - The article describes the close cultural ties between the border communities, with shared languages and customs, enhancing the tourism experience [1][3]. - Local events, such as the cross-border singing festival, showcase the cultural similarities and connections between Chinese and Vietnamese communities [4][6]. - The article mentions various cultural activities, including traditional performances and food festivals, that promote cultural exchange and strengthen community bonds [11]. Group 3: Economic Impact - Local businesses have benefited from increased tourism, with vendors reporting higher sales of traditional goods and services [3][5]. - The article notes that the region's tourism development is part of a broader strategy to enhance economic ties and cultural exchanges between China and Vietnam [11]. - The cross-border tourism initiative is expected to further stimulate the local economy by attracting more visitors and fostering business opportunities [11].