German Chancellor Angela Merkel and Russian President Vladimir Putin chat as they toured the Hanover industrial fair on April 8, 2013 in Hanover, central Germany. German Chancellor Angela Merkel and Russian President Vladimir Putin opened the fair which is running from April 8 to 12, 2013 and which will present a cross section of key industrial technologies. AFP PHOTO / RONNY HARTMANN (Photo credit should read RONNY HARTMANN/AFP/Getty Images)