Renowned sinologist Ezra Vogel passes away at 90

File photo taken on Sept. 5, 2018 shows Ezra Vogel speaking during an interview in Cambridge of Massachusetts, the United States. Ezra Vogel, professor emeritus at Harvard University and a renowned scholar on China, passed away at the age of 90 on Sunday, according to the Fairbank Center for Chinese Studies at Harvard University. (Xinhua/Liu Jie)