Step 1: Visitors should log in to the website "https://en.mutianyugreatwall.com/".

Click on "Log in" to view the booking information or initiate a refund.

Step 2: Enter the email address used for the ticket purchase, check code, and click on "Get a verification code". An email containing the login verification code will be sent from service@mutianyugreatwall.com. Check the box to agree to the privacy policy, then click on "Log in".

Step 3: After logging in, visitors can view their booking information. To request a refund, simply click on "Refund".