Baby red romaine lettuce (bottom) and arugula (top) grow in vertical farming beds beneath light emitting diode (or "LED") lamps and using a patented growing algorithm of controlled light, nutrients and temperatures for growing a variety of baby greens at an AeroFarms Inc. indoor vertical farming facility in a former indoor paintball arena in Newark, New Jersey, June 24, 2016. Picture taken June 24, 2016. REUTERS/Mike Segar