A visitor takes photos at a graduation exhibition of undergraduates of Tsinghua University Academy of Arts and Design in Beijing, capital of China, June 12, 2018. More than 500 pieces (sets) of works were displayed at the exhibition. (Xinhua/Luo Xiaoguang)

People visit a graduation exhibition of undergraduates of Tsinghua University Academy of Arts and Design in Beijing, capital of China, June 12, 2018. More than 500 pieces (sets) of works were displayed at the exhibition. (Xinhua/Luo Xiaoguang)

People visit a graduation exhibition of undergraduates of Tsinghua University Academy of Arts and Design in Beijing, capital of China, June 12, 2018. More than 500 pieces (sets) of works were displayed at the exhibition. (Xinhua/Luo Xiaoguang)

People visit a graduation exhibition of undergraduates of Tsinghua University Academy of Arts and Design in Beijing, capital of China, June 12, 2018. More than 500 pieces (sets) of works were displayed at the exhibition. (Xinhua/Luo Xiaoguang)