Chinese Premier Li Keqiang (R) meets with Spanish Deputy Prime Minister Soraya Saenz de Santamaria in Palma, Mallorca of Spain, May 27, 2015. (Xinhua/Liu Weibing)
Students sign on a banner which encourages them to perform well in the upcoming national college entrance exams at the No.3 High School in Cangzhou, north China's Hebei Province, May 28, 2015. (Xinhua/Zhu Xudong)
Students study to prepare for the upcoming national college entrance exams at the No.3 High School in Cangzhou, north China's Hebei Province, May 28, 2015. (Xinhua/Zhu Xudong)
Photo taken on May 18, 2015 shows smuggled artworks made of ivory seized by members of Hangzhou Customs, in Hangzhou, east China's Zhejiang Province. Hangzhou Customs announced Thursday that they have seized over 270 kilograms smuggled ivory and about 9 kilograms rhino horn since June last year. (Xinhua/Xu Yu)