Can a 15-year-old child buy tickets to the Terracotta Warriors Museum by themselves, or do they need an adult companion?

Students under the age of 16, require parent/guardian accompaniment for free admission; if no parent/guardian is present, a student ticket must be purchased.
Students under the age of 16 must be accompanied by a parent or guardian to enter the tomb, and this service is free. If there is no accompanying adult, students will need to purchase a student ticket.