Can I go to the Great Wall with my Hong Kong ID card?

Yes. According to the ticket purchase instructions of the Badaling Great Wall ticket pre-sale system: foreign guests and Hong Kong, Macao and Taiwan passports are required to check in. Tourists who use China, Hong Kong, Macao and Taiwan ID cards or foreign passports when placing orders can present the original booking documents to the comprehensive service window near the entrance to the city. Redeem an electronic ticket and enter the park with the electronic ticket printed on site. The Great Wall, also known as the Great Wall, is a military defense project in ancient China. It is a tall, strong and continuous long wall used to limit the movement of enemy cavalry.