This year marked the 20th anniversary of the Distinguished Chinese Visiting Scholars Scheme. On 27 November, a special presentation ceremony was held to honour six renowned scholars from the Chinese mainland. They are Prof. Niu Wenyuan, Chairman and Chief Scientist of the Sustainable Development Strategy Programme, Chinese Academy of Sciences (CAS); Prof. Li Yuming, Professor of Beijing Language and Culture University; Prof. Gao Wen, Professor of Peking University; Prof. Pei Gang, President and Professor of Tongji University; Prof. Lai Yuanming, Deputy Director of the State Key Laboratory of Frozen Soil Engineering, CAS; and Prof. Yan Chunhua, Director of the State Key Laboratory of Rare Earth Materials Chemistry and Applications, Peking University. Details>>