Dara Ó Briain explores the immense power of Italy's most active volcanoes. | dHNfMG92bmhpVW1LYjQ
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00:00for millions of years volcanoes have shaped our planet these fiery engines of earth's power have
00:11the ability to create new worlds and obliterate old ones so that burns that side of the head
00:18exactly and produce the evaporation of the brain it exploded yes but why do they exist
00:26what causes these giants to erupt and can we ever escape their fury volcanoes are unpredictable
00:36forces of immense power just waiting to explode we have to image etna like a bottle of champagne
00:45at some point that pressure is too big and it pops the cork exactly
00:50their impact reverberates across the land the sound of it is amazing the boom the boom is so
01:00strong that it sort of rattles windows through smoke and flame they sculpt the surface of our planet
01:06this is not that normal landscape this is stuff that got blown out of a mountain
01:11oh wow and carve secret subterranean worlds wow goes on for miles
01:22they reveal the earth's beating heart it's like the floorboards being lifted up and you see what's
01:28going on underneath the planet and remind us of just how fragile we are this lava fontanine started
01:36growing growing growing growing and reaching two kilometers from the sky and we thought okay we are dead
01:46i've always been fascinated by the fundamental forces that shaped our planet
01:52but with that much power and that much danger how do people live their lives right next to a volcano
02:00jesus this is the reality of living on top of a super volcano
02:08join me as i take a journey into the earth's fiery heart