Two years after North Korea built a brand new mansion compound in a secluded spot along the country’s east coast, leader Kim Jong Un appears to have upgraded another palace about 25 miles away from a military submarine development base.

These upgrades have been underway since late 2020, according to NK Pro analysis of satellite imagery, with three of Kim’s personal leisure boats also recently moving to a repair dock just down the coast in Wonsan. 

The mansion upgrades and boat work could be a sign that Kim is planning another visit to the region