冰岛最活跃的火山格里姆火山开始喷发。
Iceland 's most active volcano , Grimsvotn , has begun erupting .
让格里姆火山与众不同的是它处于一座厚达12米的巨大冰川之下。
What makes Grimsvotn different is that it lies under a huge glacier of the ice up to12 meters thick .
格里姆火山