beautiful urridafoss on the river thjorsa! hopefully the plan to build a hydroelectric power station here will not be successful

beautiful urridafoss river thjorsa plan build hydroelectric power station successful flows eastern edge thjorsarhraun lava field one largest earth created single eruption ice age combination flooded spring-fed glacial river average water flow falls 350 second spring melt rise 1000-1500 second icelandic higher olfusa