The Lord of the Rings: The Rings of Power features the island kingdom of Númenor, a long-lost civilization from J. R. R. Tolkien’s writings that had never been depicted on screen before the show. About Amazon spoke with Ramsey Avery, the production designer who brought Númenor to life in the series, to learn more about the never-before-seen island kingdom.

Here are eight inside secrets Avery shared about Númenor: