almannagjaの"議会平原"で玄武岩形成渓谷 http://www.mongabay.com/images/iceland/600/PICT0025.JPGalmannagjaの"議会平原"で玄武岩形成渓谷 almannagjaの"議会平原"で玄武岩形成渓谷 p5769p Basalt formations at "Parliament Plains" in Almannagja Ravine p5769p