Core Viewpoint - The article highlights the significance of the Piyang Grottoes in Tibet as a cultural and historical treasure, showcasing ancient art and the potential for tourism development in the region [2][9]. Group 1: Historical and Cultural Significance - The Piyang Grottoes, located in the Zhada County of Tibet, contain nearly a thousand caves, with five featuring ancient murals that date back over a thousand years [6][9]. - The murals are noted for their vibrant colors, which have remained intact due to the use of mineral-based pigments [6]. - The site is believed to have been an important city of the ancient Guge Kingdom, which played a crucial role in the economic and cultural development of Tibet [9]. Group 2: Tourism Development - Zhada County aims to develop the Piyang and Dongga Grottoes into a national 4A-level tourist attraction, enhancing the integration of cultural and tourism resources [11]. - Infrastructure improvements are underway, including the addition of walking paths, signage, parking areas, and local amenities such as tea houses and convenience stores to enhance visitor experience [11]. - The increasing interest in the region's cultural heritage is expected to revitalize the Piyang Grottoes, attracting more visitors and promoting local culture [12][13].