le'be' tlhIngan Hol. rurbogh latlh Del https://www.theguardian.com/world/2019/mar/28/canadian-film-made-in-haida-language-spoken-by-just-20-people-in-the-world
“...a language that only about 20 people in the world can speak fluently.”
“...unrelated to any other language, and actors had to learn it to understand their lines.”
“...
uses a lot of ‘guttural sounds and glottal stops’...it differs from English, let alone other languages...”-- ghunchu'wI'