Russian President Vladimir Putin meets with Chinese President Xi Jinping (not in picture) at the West Lake State Guest House in Hangzhou on September 4, 2016. G20 leaders meet, charged with reviving the sluggish world economy, but a growing anti-globalisation mood and alarm over China's territorial ambitions loom over the summit in the scenic city of Hangzhou. / AFP PHOTO / POOL / WANG ZHAOWANG ZHAO/AFP/Getty Images