一起猜猜这件文物是什么？ 提示①： 鲁文化是山东历史文化的重要基石 2000多年后，在它身上 仍能感受到鲁国曾经的风雅与厚重 12 In Car 4 12 45 d/com 1 70 t 2017 77 r and Part sel pin POLON , 5 g 4 c CALL AND 100 MO 1 er VER and e a 72 la t 12 DEN 1 17 r t r d F Trial 0 1 最 and t a ARTIC 1978 4 17 zi 55 te the first t ? Boa te and ST 提示②： 当你一步入山东博物馆大厅 抬头便能看见以它为原型打造的 直径长达20米的墨绿色穹顶 △山东博物馆一楼大厅顶部中央的墨绿色玉璧造型穹顶 今天一起认识鲁国大玉璧 外径长达32.8厘米 来自战国的玉璧"天花板" 位于山东曲阜的鲁国故城 作为鲁国都城 前后延续了800年左右 是周王朝各诸侯国中沿用时间最长的都城之一 1977年，考古工作者对鲁国故城 进行了大规模勘察 有一座墓中出土了大量玉器 其中一块纹饰精美的大玉璧 经鉴定属于战国时期 这块大玉璧便是鲁国大玉璧 从尺寸、 ...

Group 1 - The main event for the 2025 Cultural and Natural Heritage Day was held in Changsha, Hunan Province, where the National Cultural Heritage Administration announced the list of high-quality development cases for cultural heritage in 2024 and the list of excellent projects for new media communication of Chinese cultural heritage in 2025 [1][2] - Ten projects, including "Activating Protection Synergy through Heritage Application to Promote Cultural Heritage Protection and Urban Collaborative Development," were included in the "Top Ten Cases of High-Quality Development of Cultural Heritage in 2024" [1] - The project "Guarding and Utilizing Cultural Heritage to Deeply Empower County Development" from the Huaiyang District Cultural Relics Bureau in Zhoukou City was listed among the shortlisted cases [1] Group 2 - Huaiyang District leverages its unique position to connect urban and rural areas, focusing on the first principle of protection and gathering various forces to safeguard and utilize county cultural heritage [2] - The district aims to address the imbalances and inadequacies in grassroots cultural relics development, enhancing the management level of cultural relics protection and the supply capacity of cultural products [2] - The work in Huaiyang District exemplifies the integration of cultural heritage protection with urban-rural development and tourism, showcasing a successful model for high-quality county development [2] Group 3 - The documentary "Entering Civilization" is a five-episode large-scale humanistic documentary focusing on the origins and development of Chinese civilization, planned by the Henan Provincial Cultural Relics Bureau and produced by Henan University and its Digital Art Research Center [3] - The documentary utilizes Henan's rich cultural relic resources and major archaeological findings to systematically outline the historical context of Chinese civilization from its origins to prosperity [3]