Spanish company Gamesa's chairman Ignacio Martin (L) speaks with employees during the presentation of the first Gamesa's Offgrid prototype, a technology that can generate and provide electricity in remote and difficult access areas, at La Plana plant, near Zaragoza, on May 10, 2016. / AFP PHOTO / CESAR MANSOCESAR MANSO/AFP/Getty Images

A picture taken on May 10, 2016 shows solar panels and a wind turbine at the La Plana plant where the first Gamesa's Offgrid prototype, a technology that can generate and provide electricity in remote and difficult access areas, is presented, near Zaragoza. / AFP PHOTO / CESAR MANSOCESAR MANSO/AFP/Getty Images

A picture taken on May 10, 2016 shows a wind turbine at the La Plana plant where the first Gamesa's Offgrid prototype, a technology that can generate and provide electricity in remote and difficult access areas, is presented, near Zaragoza. / AFP PHOTO / CESAR MANSOCESAR MANSO/AFP/Getty Images

Spanish company Gamesa's chairman Ignacio Martin (2ndR) and Corporate Development Managing Director of Gamesa David Mesonero (3rdR) inaugurate the first Gamesa's Offgrid prototype, a technology that can generate and provide electricity in remote and difficult access areas, during its presentation at La Plana plant, near Zaragoza, on May 10, 2016. / AFP PHOTO / CESAR MANSOCESAR MANSO/AFP/Getty Images

Corporate Development Managing Director of Gamesa David Mesonero (L) speaks during the presentation of the first Gamesa's Offgrid prototype, a technology that can generate and provide electricity in remote and difficult access areas, at La Plana plant, near Zaragoza, on May 10, 2016. / AFP PHOTO / CESAR MANSOCESAR MANSO/AFP/Getty Images

SEVILLE, SPAIN - MAY 10: (R to L) President of the regional Government of Andalucia Susana Diaz, Queen Letizia and King Felipe VI of Spain attend the inauguration of Aerospace Technology Incubator at Aeropolis, The Andalucian Aerospace Technology Park on May 10, 2016 in Seville, Spain. (Photo by Niccolo Guasti/Getty Images)

(FILES) This file photo taken on July 18, 2007 shows French political scientist Olivier Duhamel arriving at the Elysee Palace in Paris. The political specialist Olivier Duhamel was elected on May 10, 2016 as the head of the Fondation Nationale des Sciences Politiques (FNSP), one of the two governing bodies of Sciences Po, to replace Jean-Claude Casanova. / AFP PHOTO / PATRICK KOVARIKPATRICK KOVARIK/AFP/Getty Images

LONDON, ENGLAND - MAY 10: A 2.4 meter robot called Cygan built in 1957 on display during a press preview at the Science Museum on May 10, 2016 in London, England. The Science Museum today held a press conference and photo call announcing a new robot exhibition for 2017. (Photo by Jack Taylor/Getty Images)