www.youtube.com/embed/QnYLQuAFI68 Hidden Gem Alert! Discover Seongsu-dong's Trendiest Outdoor BBQ Spot: Haneulseong Haera Looking for a truly unique and trendy dining experience in Seoul? Forget the usual tourist traps and dive into the real Seoul with Haneulseong Haera (하늘성해라), a hidden gem located…