2 - Policies Regarding CREDIBILITY of the World Heritage List
2.2 - Outstanding Universal Value
2.2.2 - World Heritage criteria
18.104.22.168 - Specific considerations related to criterion (vi)
"Criterion vi [To] be directly or tangibly associated with events or living traditions, with ideas, or with beliefs, with artistic and literary works of outstanding universal significance. (The Committee considers that this criterion should preferably be used in conjunction with other criteria)."