NOVAStagione 42 Sostituisci immagineNumero di episodio3Sinkholes—Buried AliveOverviewA look at one of the most destructive natural phenomena known to man. All over the world sinkholes are causing chaos and destruction wherever they appear: swallowing up whole streets, ripping up motorways, destroying entire forests and even dragging unfortunate bystanders to their untimely deaths.Air dateJanuary 28, 2015Runtime (min)60
