www.youtube.com/embed/VjPfn5_tjBU ```html Discover Seoul's Hidden Gem: 40-Year-Old Cheongseongok - Authentic Jang-Gukbap Near City Hall Join us as we explore a true Seoul institution, Cheongseongok (청성옥), a legendary restaurant serving up delicious Jang-gukbap (Korean beef soup) for over 40 years! Established in 1984, this "Nopo" (노포), meaning a long-established restaurant, is a must-visit for anyone craving authentic Korean flavors in a historic setting. Kim Sa-won takes us on a culinary journey to this gem, just a short walk from City Hall…