Ten minutes later, the loading platform was plunged into darkness after a thundering bang echoed throughout the classification yard.

As it turned out, the generators had overheated and short-circuited, and the classification yard had lost its power supply.

Although there was a technician on duty, he immediately gave up after checking the generator—the entire distribution box had to be replaced, and the parts could not be ordered until tomorrow. At best, power would only be restored by tomorrow