West Java island, Indonesia
Mount Ijen Crater Lake
Procedente igitur mox tempore cum adventicium nihil inveniretur, relicta ora maritima in Lycaoniam adnexam Isauriae se contulerunt ibique densis intersaepientes itinera praetenturis provincialium et viatorum opibus pascebantur.
« Sulfur, when burning, absorbs oxygen gas; the resulting acid is considerably heavier than the sulfur burned; its weight is equal to the sum of weights of the sulfur burned and the oxygen absorbed. »
Antoine Lavoisier