Reminds me of this one time in the mountain ranges just outside Taipei. We're driving along through the misty-topped mountains and this girl says, "Isn't it amazing, absolutely unbelievable!"
One of the guys said, "Weeeeelll.....
...actually it's not amazing, or unbelievable. A temperature gradient drives the warm, humid air up the city side of the mountain and it cools rapidly as it meets the much colder air on the other side of the ridge... causing it to condense and there you go - mist".