vertical shot of mount krakatoa in indonesia near the acid lake covered in fog

acid bandung blue caldera ciwidey crater environment eruption flores fog forest geology geophysics geothermal grass hot indonesia java kawah kelimutu krakatoa lake mammoth mount mountain nature panorama park perahu putih quilotoa ratu river scenery scenic springs stars steam stone sulfur sulphur taal tagaytay tangkuban tourism tree valley volcanic volcano west yellow yellowstone