Where are Seoul's most Instagrammable outdoor pools this summer?

As the capital heats up, several of Seoul's luxury hotels have opened or are preparing to open their outdoor pools.

Each offers its own version of a summer escape without leaving the city, and each comes with a backdrop worth a photo or two.

Mondrian Seoul Itaewon The Altitude Pool & Lounge at Mondrian Seoul Itaewon, the five-star lifestyle hotel in Yongsan-gu, returns as one of the city's most photographed summer spots.

Pink tiles, sky-blue sunbeds and a blue-and-white striped awning give the p ...