Amid the rapid expansion of transportation and logistics links between North Korea and Russia, time-series satellite imagery shows the expansion of oil storage facilities along the coast of Chongjin. Meanwhile, following the outbreak of the Russia–Ukraine war, the number of oil tank cars traveling between Russia and North Korea through Tumangang Station has increased, and the petroleum products recently brought into North Korea appear to be Russian refined petroleum products rather than the crude oil that was previously refined at Sonbong...
