Heaven on Top Gimpo Airport is a tea house and cafe on floors one and two of Lotte Mall at Gimpo Airport, at the end near the subway station. It sells a range of drinks centered on tea rather than coffee, along with cakes, and mango bingsu is one of its main items. The interior has spaces in different concepts and soft chairs, and the mango bingsu comes with a generous amount of mango on soft ice. Seats are almost always full.