Farm in South Korean road tunnel no rose-colored pipe dream

  • In this Aug. 9, 2018, photo, head of NextOn Choi Jae Bin explains about his farm’s crop cultivation system next to sesame leaves growing on vertically stacked styrofoams at the tunnel-based vertical indoor farm NextOn in Okcheon, South Korea. The high-tech farm inside a former tunnel in South Korea is seen as a potential solution to the havoc wreaked on crops by the extreme weather linked to climate change, and to shortages of land and workers as the country ages. (AP Photo/Han Myung Oh)

OKCHEON, South Korea (AP) — Behind a blue wall that seals a former highway tunnel stretches a massive indoor farm bathed in rose-tinted light.

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