The permafrost inside the Batagay crater is the second-oldest ever found on Earth and scientists are using it to reconstruct the planet's ancient climate.
Siberia's 'gateway to the underworld' megaslump is revealing 650,000 year-old secrets from its permafrost : Read more
Siberia's 'gateway to the underworld' megaslump is revealing 650,000 year-old secrets from its permafrost : Read more