齐风鲁韵，山东的“世界瑰宝”知多少？

Group 1 - Shandong is home to five UNESCO World Heritage sites, showcasing its rich cultural and natural heritage [1][2][3] - Mount Tai, a dual heritage site, symbolizes ancient Chinese civilization and is known for its geological and cultural significance, with a peak elevation of 1545 meters [1] - The Confucian Temple, Confucius Mansion, and Confucius Forest in Qufu represent the largest and best-preserved Confucian cultural complex globally, recognized for its moral and educational significance [3][2] Group 2 - The Shandong section of the Grand Canal is a core part of the UNESCO World Heritage designation, exemplifying ancient water conservancy engineering [4][5] - The Grand Canal features 15 heritage sites and 8 river sections, reflecting the historical integration of transportation and commerce [5] - The Qi Great Wall, predating the Qin Dynasty, spans over 1200 miles and showcases ancient architectural wisdom in military defense and ecological protection [6] Group 3 - The Yellow River Delta is recognized as a natural heritage site, hosting the most complete and expansive wetland ecosystem in China, vital for migratory birds [7][8] - This area serves as a crucial stopover for millions of migratory birds, including 26 species of national first-class protected birds, highlighting its ecological importance [8]