Borneo - Dark Shadow -
expedition with steve backshall

Follow Steve Backshall as he drops down a sinkhole to explore a series of underground Bornean caves threatened by deforestation and limestone quarrying. The journey may lead to the potential to explore other undiscovered subterranean worlds.

Episode Duration: 56 minutes and 46 seconds

Episode Number: 105

About Expedition with Steve Backshall:

Head into the unknown with explorer Steve Backshall as he journeys to the world's last unexplored places and faces challenges around the globe, encountering extraordinary wildlife and meeting remarkable people along the way.

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