On this day, venture outside of Ping Yao to explore its surroundings. Visit the Zhangbi Ancient Castle, a unique underground fortress built during the Tang Dynasty. Explore the maze-like tunnels, admire the ancient architecture, and learn about the castle's strategic importance. Next, visit the Qiao Family Compound, a well-preserved residential complex that served as the filming location for the famous Chinese movie 'Raise the Red Lantern.' Marvel at the exquisite courtyards and gain insights into the life of the wealthy Qiao family. In the evening, return to Ping Yao and enjoy a farewell dinner.