GOP presidential nominee frontrunner Donald Trump, Chinese leader Xi Jinping, and US President Joe Biden, who is also the Democratic Party's presidential nominee frontrunner.
Win McNamee/Getty Images, Lintao Zhang/Getty Images, and Nathan Howard/Getty Images
A screen showing Russian President Vladimir Putin riding a train across the bridge linking Russia and the Crimean Peninsula at Taman railway station near Anapa, Russia, in December 2019.