epa05927897 Robots of a Polish company at the Hannover Messe 2017 industrial trade fair in Hanover, northern Germany, 25 April 2017. Poland is the guest-country this year. The Hannover Messe (Hanover Fair) is the world's biggest industrial fair. The exhibition runs from 24 to 28 April 2017. EPA/MARKUS HIBBELER
Riproduzione riservata © Copyright ANSA