The world 's largest greenhouse farm is set to open in Paris next year . The facility , built by Siemens , will span more than 15,000 sq ft at the Paris ' Porte de Versailles exhibition centre and is expected to grow more than 30 different plant species . The facility will also feature an on - site restaurant and bar offering produce grown on the farm .
The world's largest rooftop farm is set to open in Paris next year. The facility, developed by Agripolis, will span more than 15,000 sq ft at the Paris Expo Porte de Versailles exhibition centre and is expected to grow more than 30 different plant species. The facility will also feature an on-site restaurant and bar offering produce grown on the farm.