Something metallic turned up under a garden in a quiet Tallinn suburb in 1969, and the Soviets spent the next twenty years trying to get it out, bringing in excavators and scientists and military, borrowing the house from its owners and living in it, digging on and off until perestroika ended the whole effort and they walked away. Astrophysicist Dr. Beatriz Villarroel and Ocean X co-founder Dennis Åsberg went to that address to find out what is still down there. Nobody came to the door, but the neighbor who had watched all of it from his window talked to them for an hour.. 

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