On the final day of your trip, visit Tianmen Mountain, which is located about 8 kilometers from Zhangjiajie city center. Take the world's longest cable car ride to reach the mountain's summit and witness the stunning views of the surrounding landscapes. Explore the Tianmen Cave, also known as the 'Heaven's Gate,' which is a natural archway formed in the mountain. Walk on the glass skywalk, suspended 1,430 meters above the ground, for an adrenaline-pumping experience. If you're feeling adventurous, take a thrilling walk on the Cliff-Hanging Walkway, which offers breathtaking views of the deep valleys below. After exploring Tianmen Mountain, head back to Zhangjiajie city center and depart from Zhangjiajie Hehua Airport, concluding your memorable trip to Zhangjiajie Glass Bridge.