small and lonely bush of wildflowers growing on the slopes of lifeless hverfjall volcano crater in myvatn area, iceland

myvatn crater hverfjall volcano black flower bush lonely single struggle conditions ecology fight life severe flora plant alone wildflower iceland north panoramic big eruption nature seismic active earth fissue deep burn lifeless coal mine cone terpha tuff ring krafla rim lava travel europe arctic extreme explore discover solo one small wildflowers growing slopes area