FILE - Cars move by a billboard showing China's President Xi Jinping, reading: "We want a statue of our friend Xi," and "Thanks," in Belgrade, Serbia, on Aug. 26, 2021. Chinese leader Xi Jinping's visit to European ally Serbia on Tuesday, May 7, 2024, falls on a symbolic date: the 25th anniversary of the bombing of the Chinese Embassy in Belgrade during NATO's air war over Kosovo. (AP Photo/Darko Vojinovic, File)