Liu Qirui, a freshman representative, addresses the opening ceremony for undergraduate students class of 2020 in a stadium at Tsinghua University in Beijing, capital of China, Sept. 9, 2020. China's Tsinghua University held the online and offline opening ceremony for undergraduate students class of 2020 on Wednesday. (Xinhua/Ju Huanzong)

 

Gretta Simbi, a student from Rwanda, attends the opening ceremony for undergraduate students class of 2020 in a stadium at Tsinghua University in Beijing, capital of China, Sept. 9, 2020. China's Tsinghua University held the online and offline opening ceremony for undergraduate students class of 2020 on Wednesday. (Xinhua/Ju Huanzong)