The scenic spots have their own characteristics and are worth visiting. There are more tourists. Tickets ordered online. It's very convenient to exchange tickets on the self-service machine at the gate. For older people, they should take a cable car up and down the hill. Otherwise your legs will be soft when you go down the hill. Flyover glass trestle is more dangerous, people walking on it have the feeling of suspension, the bridge is shaking with people's footsteps.