HONG KONG — China-Russia relations are at a “historic high,” Chinese leader Xi Jinping said Wednesday, as he met with Russian President Vladimir Putin in Beijing days after hosting U.S. President Donald Trump. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.“The international landscape is undergoing profound changes, and the world faces the danger of sliding back into the law of the jungle,” Xi said during bilateral talks, describing China-Russia cooperation as a stabilizing force in the world.Earlier, Xi welcomed Putin outside the Great Hall of the People in a welcome ceremony that echoed…