Kola: The Race to the Center of the Earth!
The project was first proposed in 1962 and was assigned to the Interdepartmental Scientific Council for the Study of the Earth’s Interior and Superdeep Drilling. The drill site was chosen in 1965 in north-west Soviet Union, 10 kilometers (6 mi) west of the town of Zapolyarny, Russia. The initial target depth was set at 15,000