By Shen Song, a special correspondent of the Global Times in South Korea, a netizen named "98papa" first revealed a mysterious crop circle on the 12th day of this month. The netizen "98papa", who took the picture of the crop circle, said that during the aerial photography flight from Gimpo to Daechon, he discovered a huge geometric pattern on the ground near Boryeong City in South Chungcheong Province. Even with the naked eye from the sky, it was clear that it was a very large crop circle.