This is the 12619th most frequent German word.
welterbes
"Welterbes" is the genitive form of "Welterbe," meaning "World Heritage" (referring to UNESCO World Heritage).
Here, 'Welterbes' refers to the collection of cultural and natural heritage sites recognized by UNESCO.
Das Schloss Neuschwanstein ist Teil des Welterbes der UNESCO.
Neuschwanstein Castle is part of UNESCO's world heritage.
In this sentence, 'Welterbes' is used in a general sense to refer to significant sites of world heritage.
Die Erhaltung des Welterbes liegt im Interesse der gesamten Menschheit.
Preserving world heritage is in the interest of all humanity.
The term 'Welterbes' here highlights places officially designated as world heritage sites.