‘Portal to the underworld’ opens up in Russia’s Rostov region

‘Portal to the underworld’ opens up in Russia’s Rostov region A massive sinkhole near a small mining town has opened up in a field, with eyewitnesses sharing video of the crater. Numerous coal mines, groundwaters, and underground voids are the reason for the Earth’s opening up. Locals say the bottom of the sinkhole cannot be seen, and some have jokingly called the crater a “portal to the underworld.” Source: RT News