Urban Farming: Micro-farms taking root in London's underground
02:31
World
Urban Farming: Micro-farms taking root in London's underground
Under the streets of London, one innovative idea is sprouting up - an underground micro-farm producing greens. Could this be a new way of growing food, given the population growth and effects of climate change? Simon McGregor-Wood went down to have a look.
April 10, 2018
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