On your final day, immerse yourself in the local culture of Gansu Zhangye. Start by visiting the Zhangye Museum, where you can learn about the region's history, art, and culture. Next, explore the Zhangye Ancient City, a well-preserved historical site with ancient walls, temples, and traditional architecture. Take a leisurely stroll through the narrow streets, visit local shops, and try some delicious street food. In the afternoon, visit the Giant Buddha Temple, home to one of the largest reclining Buddha statues in China. End your trip with a relaxing walk along the Yellow River, enjoying the scenic views and reflecting on your memorable journey.