Workers in hard hats by steam pipes and valves at a volcanic facility run by Pertamina Geothermal Energy near Tomohon city, Lake Linow, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia

horizontal travel destinations travel color image outdoors day sulawesi indonesia southeast asia medium group of people people men adult pertamina geothermal energy tomohon north sulawesi lake linow working worker hard hat pipe valve geothermal travel destination tourist destination tourist destinations man male males adults person daytime