Yes, most hotel room reservations are fully refundable if cancelled prior to the accommodation's cancellation deadline, which often is within 24-48 hours of check in. If you have a reservation that's non-refundable, you might be able to still cancel and get a refund within 24 hours of booking. Plug in your dates, click on "Search", then filter by "fully refundable" to get the top deals on offer near Lulong Great Wall.