RUSSIA-CHINA-POLITICS-DIPLOMACY

Chinese President Xi Jinping lays a wreath during a ceremony at the Tomb of the Unknown Soldier on July 4, 2017 near the Kremlin in Moscow, as part of a two day official visit by Jinping to Moscow. - Russian President Vladimir Putin and Chinese leader Xi Jinping were due to hold formal talks July 4 against a backdrop of mounting tensions over North Korea ahead of G20 summit talks with Donald Trump. The meeting in Moscow comes as North Korea claimed the launch of its first inter-continental ballistic missile, and US President Trump urged China to "end this nonsense once and for all". (Photo by Sergei Ilnitsky / POOL / AFP) (Photo by SERGEI ILNITSKY/POOL/AFP via Getty Images)