The Welsh Language
Listen to the locals as they speak of their beloved Wales in their own tongue:
The “w” in Welsh is actually a long vowel, which sounds like an English double-o as in “pool”, but the double-L is unlike any sound we use in the English language. In the field of linguistics—the study of language—this is called a voiceless alveolar lateral fricative and it is pronounced like a silent L or a forward S, which you can learn to say here:
Learn more about all the languages of the British Isles in this video. The segment on the Welsh language starts at minute 14.