Chinese President Xi Jinping has returned to Pyongyang’s Kumsusan State Guest House, the highly secluded counterpart to Beijing’s Diaoyutai State Guest House.Xi began a two-day state visit to North Korea on Monday. He was welcomed at the airport by North Korean leader Kim Jong-un, before attending a welcoming ceremony at Pyongyang’s Kim Il-sung Square and then heading on to the guest house.The guest house, completed in 2019, was first publicly used during Xi’s visit to North Korea that...