Systema ideale quo exprimitur, aquarum per canales hydragogos subterraneos ex mari et in montium hydrophylacia …
Rama fighting his twin sons with support from Hanuman
An eruption of Vesuvius at night, 1829, showing the inside of the crater with smoke, fire and lava, and spectators …
Lava, scoriae and pumice from Mount Vesuvius