Persons in active service、Demobilized soldier、Firefighters 

Children with  a height 1.2m to 1.5m (including 1.2m, excluding 1.5m)

A group of more than 30 persons (including 30 persons)，shall provide a letter of introduction or a valid tour guide certificate for the group leader.

 Children with a height under 1.2m  (Excluding 1.2m)、Retired cadres (Retired honorary certificate of the old cadres is required)、Disabled (Certificate of disability is required)