thingvellir national park eurasian and american tectonic plates with white and purple sky. totally snowy icelandic winter

american tectonic plate archaeology arctic between border bridge canyon cold continental continents eurasian fissure foot steps snow footprints frost frozen fence geological geology hafnir hill icy lava stone national park oxararfoss path peninsula pingvellir road row rural sleet snowfall snowy landscape mountains structure plates thingvellir tingvellir track volcanic winter valley wilderness iceland rock ice white purple sky totally icelandic