netherlands and denmark

Icelandic place names may sound exotic, but they're usually not very creative. Example: The most powerful waterfall in Europe, Dettifoss, just means "falling falls"

Written by Icelandic composer Jón Leifs in 1964, the piece called Hekla, Op 52, requires four sets of rocks hit with hammers, steel plates, anvils, sirens, cannons and metal chains to play.