North Korean leader Kim Jong Un highlighted the wealth gap between Pyongyang and the rest of the country, vowing to launch new projects to revive coal mining towns during this week’s year-end party plenum, according to state media on Friday.

The Korean Central News Agency (KCNA) reported that the plenum in Pyongyang lasted three days after starting on Tuesday — an unusually short meeting compared to the five and six-day end-of-year plenums in recent years.

KCNA announced a number of new economic initiatives and offered positive overall assessments of economic conditions, even claiming that the party’s five-year plan has been