On the third floor of an industrial building in Loyang, an unlikely tenant resides. Behind closed doors, tufts of baby spinach, arugula and kale grow in neat rows on 28 six-tier racks, under a mixture of red, blue and white LED lights.
Inside the 160 sq m space, the temperature is kept between 23 deg C and 25 deg C for optimum crop growth, while relative humidity levels never go beyond 60 per cent to 70 per cent.
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