655 meters beneath the New Mexico desert. Sealed forever. The Waste Isolation Pilot Plant is carved into a 250-million-year-old salt formation. The salt walls slowly creep inward, crushing the containers and encapsulating the radiation in a tomb designed to last 10,000 years. Engineers designed massive spikes and pictograms to warn future civilizations to stay away. But will they understand? #documentary #science | RFseries