The world's biggest tuner is a mystery

The largest tunnel in the world has stopped in a unidentified object.

The machine that was digging for a tunnel for a highway in the southern city of Seattle, USA, was parked on the 8th.

After the machine was stopped, the water in the front of the machine was forced to ease its pressure, but the machine did not go forward because it had to go blind like a windscreen or a camera.


They can not dig out the barrier from the level of the ground, but they can not remove the barrier because the tunnel is under the surface of the earth.

This machine, known as Bertha, is 58 feet in diameter and requires 25 people to operate. 35 feet per day. 326 in length and weighs 6,700 tons.

Incredible indirect concrete beams for the outer wall of the tunnel when digging under the 45 feet below the ground level, are as high as a five-story building.

The value of the project, which fell 1.6 billion rupees in 2015, is estimated at $ 1.3 billion. Whether it's a rock, the tiny piercing machine costs $ 80 million.

Others, however, say to K5 HD television that the equipment was stopped by an old ship or a flying alien. The videos below.

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