Lower Saxony state Prime Minister Stephan Weil, German Education Minister Johanna Wanka, China's Vice Premier Ma Kai, German Chancellor Angela Merkel, Alibaba founder and chairman Jack Ma, BITKOM President Dieter Kempf and Hanover Mayor Stefan Schostok (L-R) pose for a picture during the official opening of the CeBIT trade fair in Hanover March 15, 2015. [Photo/Agencies] |