Are you looking for a unique and refreshing café experience in Seoul? Whether you are a coffee lover or a fan of citrus-infused drinks, there’s one place you absolutely must visit – Duetone Cafe. Located in the charming streets of Yongsan-gu, this café is famous for serving the best grapefruit latte in Seoul, a favorite among both locals and travelers.Why You Must Try Duetone’s Grapefruit LatteA..
