Group 1 - Zhuhai, celebrating its 45th anniversary, is hosting the tennis events of the National Games, showcasing modern facilities and a comfortable environment for athletes and spectators [2][4] - The Zhuhai Tennis Center has attracted tennis enthusiasts and hosted international events, with notable players like Murray having competed there [4] - Over the years, Zhuhai has built more than 100 free tennis courts, promoting the sport among its residents [9][13] Group 2 - The city has developed a cycling culture, with 1,290 kilometers of greenways established, promoting cycling as a leisure activity [18] - The National Games cycling event features a unique cross-border race connecting Zhuhai, Macau, and Hong Kong, highlighting the city's strategic location [28] - The local bicycle manufacturing industry is advancing, with companies developing high-end products like electronic gear shifters, breaking foreign monopolies [24][26] Group 3 - The integration of sports and cross-border activities is evident, as more residents from Hong Kong and Macau are visiting Zhuhai for recreational activities [30] - The growth of equestrian sports in Zhuhai is attracting young learners from Macau, indicating a rising interest in diverse sports [36][38]

Group 1: Tennis Development in Zhuhai - Zhuhai has built over 100 free tennis courts over the past decade, promoting the sport among locals [10] - The recent National Games tennis events are held in Zhuhai, showcasing the city's modern facilities and attracting tennis enthusiasts [8][12] - The local tennis community has seen over 200,000 attendees for various events, indicating a growing interest in tennis among Zhuhai residents [12] Group 2: Cycling Infrastructure and Events - Zhuhai has developed 1,290 kilometers of green cycling paths, enhancing the cycling experience and promoting a healthy lifestyle [17] - The city hosted the only cross-border cycling event in the National Games, connecting Zhuhai, Macau, and Hong Kong, highlighting its unique geographical advantage [24] - Advanced technology, such as RFID and North Beidou positioning, is utilized for seamless border crossings during cycling events, improving the experience for participants [28] Group 3: Sports Tourism and Cross-Border Integration - The "One Bridge Connects Three Regions" initiative promotes sports tourism, attracting more residents from Hong Kong and Macau to Zhuhai for recreational activities [24] - The development of modern sports facilities, including equestrian training, has drawn interest from children in the Greater Bay Area, enhancing the region's appeal [31] - The local government is actively promoting Zhuhai as a destination for cross-border sports and leisure activities, leveraging its strategic location [28]