The busiest North Korea-China overland trade route is still subject to bottlenecks at a large DPRK import disinfection and quarantine facility, according to NK Pro analysis of satellite imagery, even though Pyongyang eased other pandemic restrictions this week.

Planet Labs imagery shows goods continued to appear in the last week on the runway of the converted Uiju Airbase near Sinuiju, across from China’s Dandong, in a sign that authorities still require imports to be isolated over fears of spreading COVID-19 to the population.

NK Pro analysis indicates that new blue-covered objects — likely stacks of