The Condition of Seoul Architecture - Paperbackby Pier Alessio Rizzardi (Author), Won Joon Choi (Introduction by), Iwan Baan (Photographer) Seoul is just behind Mumbai and Lagos in the list of the most extreme density cities in the world. From a population of 3. 5 million in 1965, the city exceeded 25 million in 2019, hosting 50% of the population in an area as large as 12% of South Korea. The central areas have seen the cost of land rising by 680 times since the Korean War, reaching the