Regular traffic picked up through April at North Korea’s largest container port, new satellite imagery reveals, although many vessels remain anchored as coronavirus quarantine measures continue to limit the activity of the DPRK’s commercial fleet.

Shipments at Nampho port appear to be adhering to North Korean government regulations that mandate containers be held “for 10 days isolated from one another in their natural state,” or, at the very least, a policy that prevents new shipments for over ten days.

NK Pro analysis of April imagery reveals a 20-day cycle that began in March in