13 of 20: German Chancellor Angela Merkel gestures to a robot besides Christian Wulff, governor of German state Lower Saxony, 2nd of left, at the Italian stand during the opening of the Hanover industrial fair in Hanover, Germany, Monday, April 19, 2010. From April 19 to 23, 2010, about 4,821 industrial exhibitors from 64 countries will gather at the fair. Italy is the official partner country of "Hannover Messe 2010". ((AP Photo/Jens Meyer))

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