[2] Beginning in 1870, work was done to rebuild the main wall and a number of turrets, in anticipation of a potential Japanese invasion.

[1] Busan Metropolitan Government began restoration work on the fortress in 1979.

These investigations resulted in confirmations on what facilities existed in the fortress, as well as their natures.

The north and east are surrounded by mountains, and the south and west are in more open areas.

The foundations remained, however, which allowed the fortress's shape to be reconstructed.

[1] The fortress now lies close to a residential area, and is now an attraction for both locals and tourists.