Which will go without human involvement for ten thousand years. He told about this in his Twitter and posted a video about installing the device.
As specifies Fox News, Bezos has enclosed in the project of 42 million dollars. The clock is built deep in the mountain in western Texas. In 2011, the businessman talked about them like this: "For ten thousand years, the United States will cease to exist. Entire civilizations will develop and decline. Invent new control systems. You can not imagine the world - no one can, - but we try to go through all this with the help of hours. "
The exact date for completing the installation is not yet available. The device will be opened for visitors when everything is ready.