The fast food chain 'Subway' has always been known to be healthier than its leading competitors, but Subway Japan took the freshness to a whole new innovative level. What's this cutting-edge addition to Subway Japan, you ask? Well, they have a 'vegetable factory' in the restaurant.
These vegetable factories have growing lettuce in different stages. According to InventorSpot.com, the lettuce is grown "hydroponically and without the aid of any agrochemicals." So knowing that these greens are fresh, it will cost you twice the amount of the regular lettuce that came out of the refrigerator. You can only see this vegetable factory in the Subway located in Japan in the Marunouchi Building.
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