China's Air China will resume direct flights to North Korea after a six-year hiatus, coinciding with the restoration of train services between Beijing and Pyongyang. This development signals a significant reopening of North Korea, which had been isolated since the Covid-19 pandemic. The return of transport links is seen as an economic milestone, as China has historically been North Korea's main trading partner. Despite their alliance, Beijing has expressed disapproval of North Korea's nuclear ambitions, complicating their relationship. Recent diplomatic events, including Kim Jong Un's attendance at a military parade in Beijing, highlight the evolving dynamics between the two nations.