Al Jazeera explains China-North Korea ties as Xi visits Pyongyang

China's Xi Jinping is visiting North Korea for the first time in seven years. Al Jazeera's Katrina Yu explains what Beijing gets out of its relationship with Pyongyang, which is often perceived as lopsided. Subscribe to our channel: http://bit.ly/AJSubscribe Follow us on X : https://twitter.com/AJEnglish Find us on Facebook: https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/ Check out our Instagram page: https://www.instagram.com/aljazeeraenglish/ Download AJE Mobile App: https://aje.news/AJEMobile