people watching strokkur geyser erupting boiling water up to into the air.

blue boiling bubble circle crater energy erupting geology geothermal area geyser geysir golden heat hole hot iceland icelandic nature outdoor people rural sightseeing southwest spray sprouting steam strokkur thermal tourist vapor vapour water shooting air fountaintype located hvashy ta river typically erupts 6a10 minutes usual height 15a20 metres erupt high watching