Kɛn mäthni̱ Ar-kao̱ip diaal ɛ UNESCO kɛnɛ Bu-lu Cielwecmuɔ̱ɔ̱n kɛɛliw ɛ ro̱m kɛ ruac in caa guɔk piny kɛ kui̱ ga̱ŋ ciɛɛŋä kɛnɛ kuak ɛ tookɛ ni̱kɛ 1954 kɛnɛ ka̱th in rɛwdɛ kɛɛliw ɛ känɛni̱kɛ ruɔ̱ɔ̱n 1999.