Core Viewpoint - The article highlights the growing cultural and economic ties between Dongxing, China, and Mong Cai, Vietnam, facilitated by cross-border activities and events that enhance mutual understanding and cooperation between the two regions [10][18]. Group 1: Cross-Border Transportation and Trade - The opening of a cross-border bus line between Dongxing and Mong Cai in late 2024 has improved connectivity, allowing passengers to travel between the two cities for just 15 RMB, enhancing daily commuting and tourism [11][12]. - The Dongxing-Mong Cai border area has seen significant foot traffic, with up to 26,000 people crossing the bridge daily, indicating a vibrant exchange of labor and commerce [11][12]. Group 2: Cultural Exchange and Tourism - Various cultural events, such as the 2025 China-Dongxing and Vietnam-Mong Cai River Festival, promote artistic collaboration, exemplified by joint performances between artists from both countries [6][15]. - The establishment of cultural sites, like the Qi Baishi Cultural Art Museum, serves as a hub for cultural tourism, showcasing the historical ties and artistic exchanges between China and Vietnam [14][15]. Group 3: Sports and Community Engagement - The first cross-border cycling event held in May 2025 marked the 10th anniversary of the friendship city agreement, with over 240 participants, fostering community spirit and cross-border camaraderie [16][17]. - Sports events, including football matches and other recreational activities, have become a platform for enhancing bilateral relations, with local residents actively participating and engaging with each other [17][18]. Group 4: Economic Development and Opportunities - Dongxing is positioned as a key economic zone with multiple national-level open platforms, attracting investment and facilitating trade with ASEAN countries [19]. - The region's strategic location and infrastructure development, such as the North Luan River bridges, support its role as a vital trade and cultural exchange hub between China and Vietnam [10][19].