A visitor observes vegetable grown in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

Employees work in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

Vegetable grows indoor in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

An employee takes salads during the lunch time in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

An employee works in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

Employees work in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

A visitor observes vegetable grown in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

Employees work in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)

An employee works in the AeroFarms in New Jersey, the United States, Dec. 17, 2015. AeroFarms is a mission-driven company setting a new standard for controlled urban agriculture to address the global food crisis by building and operating indoor farms in cities. AeroFarms uses a patented technology that can grow food indoors without sun or soil, using 95%less water than in the field. (Xinhua/Wang Lei)