These tunnels are designed for 100,000 years

Onkalo, on the Finnish island of Olkiluoto, is planned to be the first geologic storage facility for high-level nuclear waste: eventually sealed for 100,000 years. I got to see inside. Thanks to all the team from Olkiluoto, TVO and Posiva: you can find out more at http://www.posiva.fi/en/final_disposal/onkalo Edited by Michelle Martin https://www.youtube.com/@OnTheCrux Audio mix by Haerther Productions https://haerther.net 🟥 MORE FROM TOM: https://www.tomscott.com/ (you can find contact details and social links there too) 📰 WEEKLY NEWSLETTER with good stuff from the rest of the internet: https://www.tomscott.com/newsletter/ ❓ LATERAL, free weekly podcast: https://lateralcast.com/ https://youtube.com/lateralcast/ ➕ TOM SCOTT PLUS: https://youtube.com/tomscottplus 👥 THE TECHNICAL DIFFICULTIES: https://youtube.com/techdif