Seoul Summer Beach 2023, part of government-planned water festivals installed throughout Seoul, will kick off Friday in Gwanghwamun Square and run through Aug. 13. The festival features various attractions, including Korea-themed splash pads, a 20-meter-long waterslide, and an air bounce house surrounded by 600 years of history. All attractions are available free of charge. Splash pads will run for 50-minute sessions...