The Mirny Mine in Siberia, Russia is the second largest man-made pit in the world. It's said to be so deep it sucks in aircraft. It produced over $13 billion worth of high-quality diamonds. How was this possible?
Music by JuliusH "Mystery Bells - Ambient Chill Out Music"
Transcript and references available at https://thatsruddymysterious.wordpress.com/2024/07/09/s02e28-mirny-mine/
