The huge cave - large enough to fit a 40-storey skyscraper - is so massive that it has its own climate, and clouds even form inside it.
At more than 200m high, 150m wide and 5km long, the Hang Son Doong cave in Vietnam is so big it has its own river, jungle and climate.
@science2k20
At more than 200m high, 150m wide and 5km long, the Hang Son Doong cave in Vietnam is so big it has its own river, jungle and climate.
@science2k20