In this undated photo provided on Wednesday, July 17, 2024, by the South Korea Defense Ministry, North Korean soldiers work at an undisclosed location near the border area, as seen from a South Korean guard area. North Korean land mines could be swept into South Korea by flooding, South Korea's military warned Wednesday after the North has recently placed tens of thousands of additional deadly explosives along the rivals' heavily fortified border. (South Korea Defense Ministry via AP)

Cheonggye Stream is flooded after a heavy rain pounded in Seoul, South Korea, Wednesday, July 17, 2024. (AP Photo/Ahn Young-joon)