What's this humming noise in Guernsey? - ÃÛÑ¿´«Ã½ Sounds

What's this humming noise in Guernsey? - ÃÛÑ¿´«Ã½ Sounds
What's this humming noise in Guernsey?
Dr Glen McPherson tries to mythbust on a low hum being heard in different parishes.
Dr Glen McPherson tries to mythbust on a low hum being heard in different parishes.