Ministry of Commerce.

At night, the Minister of Commerce and several other project leaders sat in the middle of the conference room, looking very dignified.

Because you can't see what the nightscape is thinking, the Minister of Commerce tentatively asked, "It's so embarrassing to call you back from the construction site in such a hurry. It's really..."

"Well, get down to business," the night view glanced at the Minister of Commerce, and suddenly squinted, "Find out the cause of the accident?

"Hmm." It should have been happy to find out the cause of the accident, but the Minister of Commerce's face did not show any signs of happiness, it seems...