Appearance of crater dubbed ‘the Gateway to the Underworld’ in Siberia is a warning to our warming planet

It is known as “the Gateway to the Underworld” by local people who fear to go near the massive crater that suddenly appeared in the frozen heart of Siberia.

For as the permafrost melts, the world’s biggest “megaslump” is expanding rapidly. Already about a kilometre long and 90m deep, it is widening by up to 20m a year, making walking near its precipitous edges a dangerous pursuit.








Read More: http://www.independent.co.uk/environment/gateway-to-the-underworld-siberia-batagaika-siberia-russia-permafrost-melting-a7063936.html