[00:00.60]The long, tenacious roots of the 'ohi'a wend their way through the cracks and penetrate deep into the rock in search of trapped water and nutrients
[00:11.15]Their quest leads them to a remarkable subterranean world
[00:15.75]Once, a raging torrent of lava flowed right through here
[00:19.97]When it stopped, this was all that remained - a lava tube, pitch black, constantly damp and very cold
[00:31.38]Can anything survive in this harsh world? Amazingly, yes
[00:37.63]Patches of bacteria line the walls, feeding on the minerals in the volcanic rock itself
[00:44.00]But that's not all
[00:45.41]This is the small-eyed big-eyed hunting spider - a curious name for any spider, let alone one whose eyes barely function
[00:54.30]But in total darkness, eyes are little use
[00:57.29]Although he can't see it, the spider has company