Underground Wonder Courtyard · The Mighty Song of the Yellow River! 36 Hours in Sanmenxia, Healed by the Warmth and Delicacies of This City

The First Dam on the Mighty Yellow River: Sanmenxia's Epic Engineering Feat A National Symbol of Unyielding Spirit Spanning the Yu-Jin Gorge, the dam controls 91.5% of the Yellow River's basin! Standing on the glass bridge and looking down, the solitary "Come at Me" pillar rock stands proudly amid the raging currents, enduring millennia of crashing waves. The old boatman's story brings tears: "Better to shatter against the pillar than drift with the tide!" A Millennium Marvel Below the Horizon: The Shanzhou Underground Courtyards A Magical "Village Without Visible Houses" Experience** Walking through Beiying Village in Zhangbian Township, Shanzhou, you see only rustling poplars and rolling loess—until descending a sloped passage reveals hidden subterranean siheyuans! With 9–12 cave dwellings encircling a sunken courtyard, pomegranate trees reaching for the sky, and narcissus blooming against earthen walls, it feels like stepping into the secret world of *The Lost Tomb*. Guides reveal the ancient techniques: "Dig down, carve caves, cap and reinforce"—a design harmonizing with yin-yang principles, offering natural air conditioning with year-round comfort. Add to that the warm-hearted local drivers and mouthwatering cuisine—this city is truly worth experiencing!