Chinese Nobel laureate Mo Yan (L) shows his certificate of honorary doctorate in Lima, Peru, July 30, 2019. Chinese Nobel laureate Mo Yan was awarded an honorary doctorate from Peru's Pontifical Catholic University (PUCP) on Tuesday. (Xinhua/Xin Yuewei)

Chinese Nobel laureate Mo Yan delivers a speech during the awarding ceremony of honorary doctorate in Lima, Peru, July 30, 2019. Chinese Nobel laureate Mo Yan was awarded an honorary doctorate from Peru's Pontifical Catholic University (PUCP) on Tuesday. (Xinhua/Xin Yuewei)

Chinese Nobel laureate Mo Yan attends the awarding ceremony of honorary doctorate in Lima, Peru, July 30, 2019. Chinese Nobel laureate Mo Yan was awarded an honorary doctorate from Peru's Pontifical Catholic University (PUCP) on Tuesday. (Xinhua/Xin Yuewei)