国家文物局局长：我国平均每20万人拥有一家博物馆

Group 1 - The core viewpoint of the articles highlights the significant advancements in China's museum system and cultural heritage protection during the "14th Five-Year Plan" period, with a focus on the increase in the number of museums and the successful completion of national cultural heritage surveys [1][2] - The number of registered museums in China has reached 7,046, with an average of one museum for every 200,000 people, and over 91% of these museums are free to the public, attracting nearly 1.5 billion visitors annually [1] - The fourth national cultural heritage census has been completed, with 767,000 registered cultural relics reviewed and over 130,000 new relics discovered, alongside comprehensive surveys of various cultural heritage resources [1] Group 2 - Financial investments in cultural heritage protection have been consistent, with nearly 2,000 key cultural relic protection and restoration projects underway, and over 1,200 preventive protection projects for museum collections effectively implemented [1] - The "Archaeology China" initiative has made significant progress, with over 7,700 archaeological projects approved, leading to important discoveries at sites such as Niuhuangliang, Shijia, Erlitou, and Sanxingdui, establishing a distinctive Chinese archaeological style [1] - International collaboration in cultural heritage protection includes six sites in four countries and 49 joint archaeological projects involving 28 countries, with 537 pieces of lost cultural artifacts successfully returned to China [2]