German Vice-Chancellor, Economy and Energy Minister Sigmar Gabriel (Front L) displays a present doll from Jack Ma (Front R), founder and executive chairman of Alibaba Group, at the 2015 CeBIT Technology Trade fair in Hanover, Germany, on March 16, 2015. Top IT business fair CeBIT 2015, which features a strong Chinese presence this year, opened on Sunday in Hanover. (Xinhua/Zhang Fan)