Core Viewpoint - The Great Wall of China, particularly in Ningxia, is a significant historical and cultural heritage that requires better protection and transmission efforts to preserve its legacy [1][8]. Group 1: Historical Significance - Ningxia is a concentrated area for the construction of the Great Wall, with existing relics from various historical periods including the Warring States, Qin, Han, Sui, Song, and Ming dynasties [1]. - The total length of the Great Wall in Ningxia is approximately 1500 kilometers, with visible wall sections measuring about 1038 kilometers and 1225 associated facilities [1]. Group 2: Cultural Importance - The Great Wall serves as a monumental architectural marvel and an important carrier for the transmission and promotion of Chinese culture [5]. - It embodies the enduring spirit of the Chinese nation, reflecting wisdom, strength, and resilience [6]. Group 3: Preservation Efforts - In Ningxia's Yanchi County, there are dedicated guardians of the Great Wall who, despite not being historians or archaeologists, contribute to its preservation through their daily patrols and deep emotional connection to the structure [3]. - The call to protect and pass on the Great Wall as a historical cultural heritage is emphasized, aiming to enhance the legacy of the Great Wall spirit in the modern era [8].