Earth’s Deepest Hole Was Sealed Up After Experts Discovered This

What Their Goal Is

Soviet scientists also intended to drill as far as 49,000 feet below the surface of the Earth. With the assistance of specialized equipment, they began digging a series of boreholes that branched out from a single cavity in order to collect data. While working on this project, American prospectors made their own forays into the territory.

What Their Goal Is