A farm machine is being displayed during the 54th Paris International Agricultural Fair at the Porte de Versailles exhibition centre in Paris, on February 25, 2017. Approximately 4000 bovines are exhibited as well as fruits and vegetables on the fair. Above 700,000 people visited the France's most important fair, last year. The fair is open between the dates 21st of February - 1st of March 2015. Photo credit: Anadolu Agency / Getty Images.
A farm machine is being displayed during the 54th Paris International Agricultural Fair at the Porte de Versailles exhibition centre in Paris, on February 25, 2017. Photo credit: Anadolu Agency / Getty Images.
A picture taken on February 25, 2017 shows a combine on display during the opening day of the Paris international agricultural fair (Salon de l'Agriculture) at the Porte de Versailles exhibition centre in Paris on February 25, 2017. Photo credit: AFP / GEOFFROY VAN DER HASSELT / Getty Images.
A combine harvester during 54th International Agricultural Show on February 25, 2017 in Paris, France. The 54th edition of the International Agricultural Show will be held from 25 February to 5 March 2017 in Paris. Photo credit: Corbis News / Bernard Menigault / Getty Images.
Visitors walk past tractors displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
People visit the John Deere tractors stand during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A model of a John Deere Sesam electric tractor is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A New Holland NH Drive concept autonomous tractor is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A Berthoud pulverizer is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A Case IH Autonomous Concept Vehicle is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A Carre Anatis weeding robot is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A Jeantil automatic feeding machine is displayed during the SIMA (Mondial des Fournisseurs de l'Agriculture et de l'Elevage) 2017 at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
An eight-wheel Massey Ferguson tractor is displayed during the SIMA, Paris International agribusiness show at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A Naio weeding robot is displayed during the SIMA (Mondial des Fournisseurs de l'Agriculture et de l'Elevage) 2017 at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
A DJI crop-spraying drone is displayed during the SIMA (Mondial des Fournisseurs de l'Agriculture et de l'Elevage) 2017 at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.
An Airinov agricultural drone is displayed during the SIMA (Mondial des Fournisseurs de l'Agriculture et de l'Elevage) 2017 at the Parc des Expositions Paris Nord in Villepinte on February 26, 2017. Photo credit: AFP / CHRISTOPHE ARCHAMBAULT / Getty Images.