Crystal Cave is a underwater cave at the Poor Knights Islands, New Zealand. The entrance is at a depth of 20m.

The model of the cave was reconstructed from this 360 video. The video was recorded with the Insta360 Pro2 in Mantis Sub housing in a single dive (20 Minutes inside the cave, swimming 10 minutes each way). After stitching, 1600 snapshots were extracted at 1 second interval and processed in Metashape.

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