Image for The Florida Underworld

The Florida Underworld

Duration: 02:27

Deep below the whole of Florida lies a system of water filled caves and crevices that have killed hundreds. Iain Stewart joins a team of cave divers to investigate.

Available since: Fri 31 Jan 2014

This clip is from

Horizon 2013-2014, Swallowed by a Sinkhole

6/12 Horizon investigates why the geology of Florida makes it the sinkhole capital of the world

First broadcast: 03 Feb 2014

Image for Swallowed by a Sinkhole Not currently available on BBC iPlayer

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