A subway station in a skyscraper-studded metropolis might seem like an unlikely place to grow leafy greens, but that’s exactly what South Korean tech startup Farm8 has been doing since September 2019. Situated in Sangdo Station on Line 7 of the Seoul Metro, the company’s Metro Farm is a sleek, glass-encased plant nursery housing rows upon rows of hydroponic growing trays. Under the glow of LED lights and the attention of an automated tech network, 30 varieties of organic edible plants, including microgreens, flowers, and sprouts, thrive. According to Farm8,…