[3] At its peak in the 1980s, it housed 200 brothels and 500 prostitutes, and was the largest red-light district in Seoul.

[3] The lifting of the nighttime curfew in 1982, (which had been in place since the end of WW2),[5] increased trade to the area.

[6] In an attempt to improve the area ahead of the Olympics, windows were fitted to the front of the sex establishments in the style of Amsterdam's De Wallen district.

[3] The Seoul Metropolitan Government (SMG) set up a "Civic watchdog programme" to try to shut down the district in 2013, some vigilante actions occurred under this scheme.

The re-development entailed demolishing the area and building of four 65-story luxury residential-commercial complexes and a 42-story shopping mall by 2020.