Look inside Barangaroo's Tower Three
![null](/web/20161001183759im_/http://www.theage.com.au/content/dam/images/4/i/a/d/m/image.related.wideLandscape.220x124.4iadl.png/1475027289739.jpg)
- Video duration
- 01:33
A long tar-black spiralling stream pours from the cave entrance, forming one of the world's great spectacles of nature, the daily bat exodus at Gunung Mulu National Park. Video by Anthony Dennis.
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