https://ktrip.blogsailing.com/23-avenue-gangnam-station-underground-shopping-center-branch-tax-refund-shop-23%ec%97%90%eb%b9%84%eb%89%b4-%ea%b0%95%eb%82%a8%ec%97%ad%ec%a7%80%ed%95%98%ec%87%bc%ed%95%91%ec%84%bc%ed%84%b0/ Handpicked itineraries & nearby spots across Korea Wed, 25 Feb 2026 08:39:42 +0000 hourly 1