The Onya Collective is turning Tel Aviv’s massive concrete bus station into a blossoming center for urban ecology. This includes hydroponics, growing plants without soil, under special LED lights. Gardens grow lettuce and strawberries using drip irrigation from the air-con system.
http://www.timesofisrael.com/in-tel-aviv-a-concrete-elephant-goes-from-blight-to-bloom-2/