Warning sign on a fence, hot spring Deildartunguhver, highest-flow hot spring of Iceland with 180 liters of boiling water per second, Reykholtsdalur, Iceland, Europe

barricades barricade barrier cordon dangerous dangers danger daylight daytime day europe exterior views exterior view famous place fences fence geothermal power geothermal spring geothermal geothermic energy geothermic hot spring hot iceland letterings lettering natural landmarks natural landmark nature nobody no one no people place of interest rural sights sight signs sign source springs spring steaming steam thermal springs thermal spring travel photography travel warning signs warning sign warnings warning warns warn waters water vapors water vapor water