epa10376924 A warship of the Chinese navy takes part in the joint naval exercise 'Joint Sea 2022' in the East China Sea, 21 December 2022 (issued 23 December 2022). Chinese and Russian navies on 21 December kicked off a joint naval exercise, Joint Sea 2022, in the East China Sea. EPA-EFE/XINHUA/LI YUN CHINA OUT / MANDATORY CREDIT EDITORIAL USE ONLY