Now the compilers of narratives say that in the island of Britain there is a cave situated under a mountain, and a chasm on its summit; and that, accordingly, when the wind falls into the cave, and rushes into the bosom of the cleft, a sound is heard like cymbals clashing musically. And often in the woods, when the leaves are moved by a sudden gust of wind, a sound is emitted like the song of birds.