Group 1 - The core idea of the news is the promotion of museums as vital cultural institutions, particularly highlighted by the "Wall-less Museum" initiative in Beijing Songzhuang, which aims to connect museums with the public through various interactive and educational activities [1][4][6] - The "Wall-less Museum" initiative features nine distinctive museums showcasing items such as old film projectors, telephones, and enamel art, providing immersive experiences for visitors [4][6] - The initiative runs from May 15 to May 18, coinciding with International Museum Day, and aims to enhance public engagement with cultural heritage [6] Group 2 - Yunnan Nationalities Museum, one of the largest in China, showcases 52,830 pieces of ethnic artifacts covering all 56 ethnic groups in the country, attracting tourists with its rich cultural offerings [11] - The museum hosts a series of themed activities, including lectures and workshops, to celebrate International Museum Day and draw visitors [11] - Visitors can explore traditional ethnic costumes and unique handmade crafts, such as Yi embroidery and Bai tie-dye products, enhancing their understanding of local culture [13]