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Keyword: underground farm

Multimedia: Downtown Tokyo 'Office Farm' Takes Green Building to New Heights

The exterior of Pasona Group's building in downtown Tokyo flowers with several varieties of citrus trees, displaying just a portion of the 200 species of fruits and vegetables that grow inside. (Kono Designs)

Tomatoes hang from conference room ceilings and herbs flower in hallway cubbies in Pasona Group's Tokyo office, where urban agriculture has taken root — literally.