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A mining area in Chile, South America. Something strange has been captured on camera. It's a giant hole. The ground suddenly collapsed, creating a hole with a diameter of about 25 meters, the same as a school swimming pool. It is over 200 meters deep. A 40-story building could fit inside it. The mayor said, "It's the biggest hole I've ever seen. It's still getting bigger. I've never seen anything like it." Why did the hole suddenly appear? The mayor pointed out that it was the result of sloppy, unplanned mining at a nearby mine. Meanwhile, the company that operates the mine said, "We have no clues as to the cause." An investigation is underway to determine the cause. FNN Prime Online https://www.fnn.jp/