shield that has already successfully passed several tunnels from the starting point, report by maxim barin on the way, you can come closer and examine the unit in detail - these are special knives. they are made of heavy-duty metal will win. they are not sharp at all. but the main thing is that they are tough so now, when the car itself has already entered the ground, it will go there at a speed of 3 cm, when everything is ready , the command at the start sounds. according to the established tradition, the huge car was called the female name of alexander on the three-star case exactly as many tunnels, it has already passed 1700 m ahead of alexander to the krymskaya station, it will have a difficult path, it will lie in the moscow region by a river under the railway tracks, and under the already two existing sulfur tunnels, subway lines, but the equipment is 100% ready for such conditions. pre-project preparation is underway and the machine is initially set with parameters for safe operation, which we observe, and the exit of the machine is a good tunnel, and without problems. uh, let's say