Han River  1/1 by Tripoto
You can’t write about Seoul without mentioning the Han River, which is on the same monstrous scale as the city itself. In places it is a kilometer wide, and it divides the capital into two distinct parts. I got the sense that this was so when the concierge at my hotel handed me two maps, one for the north and one for the south. Fifty years ago, the southern half was mostly rice fields. Now it has a super grid of broad avenues lined with skyscrapers