Nobel Laureate in Physics Yang Chen-ning (L) and former president of the Hebrew University of Jerusalem Hanoch Gutfreund view exhibits at the World Expo Museum in east China's Shanghai, Aug. 1, 2019. An exhibition of Albert Einstein opens to public here on Aug. 2, showcasing over 100 exhibits related to the brilliant scientist. This year marks the 140 anniversary of the scientist's birth. (Xinhua/Liu Ying)