Seoul Culture & Events: Seoul is turning eight downtown media screens into a citywide outdoor gallery for Kiaf Seoul, running Aug. 31–Sept. 19 with hourly two-minute programs in Gwanghwamun and nearby areas. K-Pop Spotlight: Hyorisu (Hyo, Yuri, Sooyoung) debuts with the digital single “Skibidi,” while NCT marks its 10th anniversary with a monthlong Seoul takeover of music, fashion, art and light. Markets & Economy: Seoul stocks trimmed losses late Monday as hawkish Fed comments lifted rate-hike worries; KOSPI held around 6,655. Tax Watch: Korea’s July tax revenue rose 8.4 trillion won year-on-year on higher income and securities transaction taxes plus VAT inflows. Privacy & Enforcement: GS Retail was fined 12.8 billion won over a personal data leak affecting 1.66 million customers, after police say they’ll refer the HYBE chairman Bang Si-hyuk case to prosecutors soon. Local Housing Help: Gangbuk District expands multilingual lease-protection guidance for foreign tenants, including legal “fixed date” stamps. Energy & Diplomacy: Korea and the U.S. discussed energy cooperation in Seoul amid uncertainty, focusing on power-grid stability and energy storage.