It joins such amazing places as the Great Wall of China, Göbekli Tepe, and Inaccessible Island on the United Nations’ prestigious list.
Mae’n ymuno â lleoedd mor rhyfeddol â Wal Fawr Tsieina, Göbekli Tepe, a’r Ynys Anghyraeddadwy ar restr o fri’r Cenhedloedd Unedig.