Group 1 - The core idea of the news is that multiple sports venues in Hangzhou are offering free access to the public during the Spring Festival, promoting health and fitness activities [1][4][7]. Group 2 - A total of five sports venues in Hangzhou, including the Hangzhou Sports Center and Hangzhou Swimming and Fitness Center, will be open for free, offering activities such as basketball, badminton, table tennis, swimming, squash, and tennis [1][2]. - Specific dates for free access include February 15, 16, 17, 18, and 19, with varying hours for different sports [2][5]. - The venues will require reservations through the "Zheli Ban" app for some activities, while others will allow entry without prior booking [2][5][8]. Group 3 - In the Shangcheng District, four venues will also provide free access, featuring swimming, basketball, tennis, fitness, table tennis, badminton, and yoga [4][5]. - The venues will have specific free access days, such as February 15 to 17 for basketball and badminton, and February 24 to 26 for swimming [5][8]. Group 4 - In the Gongshu District, six venues will be open, offering activities like badminton, table tennis, basketball, swimming, fitness, running, and field hockey [7][8]. - Free access will be available from February 16 to 23, with specific hours for each sport [8]. Group 5 - The Xihu District will have five venues open for free, including the Zhejiang Huanglong Sports Center and Xihu Sports Center, offering sports such as table tennis, squash, tennis, badminton, basketball, and swimming [10][11]. - Free access dates include February 15 to 18, with specific hours for different sports [11]. Group 6 - In the Binjiang District, four venues will be open, providing activities like running, badminton, basketball, volleyball, tennis, archery, and gateball [13][14]. - Free access will be available from February 16 to 19, with specific hours for each sport [14]. Group 7 - The Xiaoshan District will have eight venues open, offering basketball, running, badminton, table tennis, swimming, and fitness [16][17]. - Free access will be available on various dates, with specific hours for each sport [17]. Group 8 - The Qiantang District will have four venues open, including the Qiantang District Cultural and Sports Center, offering activities like basketball, badminton, table tennis, fitness, and swimming [27][28]. - Free access will be available on February 26 to 28, with specific hours for each sport [28].