After the nuclear accident at the Chernobyl nuclear power plant in Ukraine in April 1986, workers made a surprising discovery eight months later.

After the nuclear accident at the Chernobyl nuclear power plant in Ukraine in April 1986, workers made a surprising discovery eight months later. 

When they entered a corridor below the damaged No. 4 reactor, they found a remarkable sight: a black lava-like substance flowing from the reactor core, resembling a man-made volcano. 

Among these hardened masses, one stood out, and the crew gave it the nickname "Elephant's Foot" due to its resemblance to the foot of the large mammal.