Mystery surrounds a man wearing a horse's head who has been captured on Google's Street View in Aberdeen. The man - who has become known as "horse-boy" - can be seen in the Hardgate area of the city. The sighting has become a popular attraction on Google's service, which offers a photographic map of streets. The man is wearing dark trousers, a purple shirt - and a brown and white horse's head. Dozens of BBC news website users have e-mailed from across Europe to say they know who horse boy is. Others have sent in images of the mystery horse-head...