What once caused so much destruction and loss is finally bringing benefits to people. Corrosive bacteria have been known since the XX century when they were thought of as a menace but now, after a small genetic adjustment, they began to serve humanity.
Now you do not need to waste time on the complicated and expensive dismantling of old railway bridge pillars. Special robots apply a solution that contains bacteria-metal eaters, and after a while, without noise, dust and unnecessary costs, the old bridge pillars will disappear without a trace. Also, useless railways are disposed of the same way. The ecological balance is restored thanks to modern technology.
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