本文作者： 21ST
ALPHORNS (山笛) are a musical instrument (乐器) in Switzerland. It is usually as long as 3 meters. In mountain areas, people use alphorns as cow-callers. They also use it to inform (通知) people from far away. The alphorn is made from soft wood. Doesn’t it look just like a huge pipe (烟斗)? 21ST