Group 1 - The "219 Love Must Last" event at the Dongxing Sino-Vietnam Border River Scenic Area celebrated the integration of wedding tourism, with 219 couples participating in a ceremony to renew their vows [1] - The event featured cultural exchanges, including stories from families and performances that highlighted the romantic connections across different ethnic groups, fostering emotional resonance among attendees [1] - The scenic area aims to enhance tourism offerings by focusing on the wedding theme, improving infrastructure, and developing new consumer experiences in the cultural tourism industry [2] Group 2 - The name "219" is a homophone for "love must last," which aligns with the event's theme and marketing strategy [2] - The chairman of Guangxi Travel Development Dongxing Binhai Investment Co., Ltd. emphasized the importance of enriching tourism products and optimizing the cultural tourism industry [2]