Hu Jintao denounced during the Cultural Revolution, an event that (together with his relatively humble origins) apparently had a deep effect upon Hu, who diligently tried to clear his father's name. He joined the Communist Party of China (CPC) in April 1964 and began to work as an engineer in July 1965 after he graduated from the Water Conservancy Engineering Department at Tsinghua University, where he majored in the study of hub hydropower stations. During his time at Tsinghua, he met his wife Liu Yongqing. In 1968, Hu volunteered for his service in Gansu and worked on the construction of Liujiaxia Hydroelectric
35th G8 summit invited to attend the summit and to participate in some, but not all, G8 summit activities. The G8 plus the five largest emerging economies are known as G8+5, including: Brazilian President Luiz Inácio Lula da Silva, Chinese President Hu Jintao, Indian Prime Minister Manmohan Singh, Mexican President Felipe Calderón and South African President Jacob Zuma. Hu Jintao curtailed his participation following the eruption of ethnic rioting in Ürümqi. In his place, State Councilor Dai Bingguo led the Chinese delegation at the summit. Previous G8 summits have invited other world leaders to participate; and the Italian duty Presidency invited a number