A South Korean company is operating the country’s largest indoor “smart farm” inside a former road tunnel. The farm produces fruits and vegetables hydroponically, which means the plants do not grow in the ground. Instead, they grow on vertical equipment that provides a continuous flow of water. Indoor farms use artificial light instead of sunlight. There are other vertical smart farms in South Korea. But this one built by the company NextOn about 200 kilometers south of Seoul - is the nation’s biggest. It is also one of the largest indoor vertical farms in the world, with a total area of 2,300 square meters. But what makes the farm even more unusual is the fact that it sits inside a huge tunnel. The tunnel was built in 1970 for one of South Korea’s first major highways, but it closed down in 2002.
Title: South Korean ‘Smart Farm’ Built Inside Former Road Tunnel
Content: <div id='article-page'><div id='article-content' data-media-url='//news-app-staging.s3.amazonaws.com' data-base-url='//news-app-staging.herokuapp.com' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/4f878931-eaf5-436f-b71a-01f82b225665_hq.wav' data-capture-url='//staging.analytics.lingraphica.com/events/capture_news' data-article-title='South Korean Smart Farm Built Inside Former Road Tunnel' data-article-id='3343'><script src='//news-app-staging.herokuapp.com/javascripts/getscripts.js'></script><link rel='stylesheet' href='//news-app-staging.herokuapp.com/stylesheets/article.css' type='text/css' /><div class='article'><p><span data-start-time='0' data-end-time='12021'>A South Korean company is operating the country’s largest indoor “smart farm” inside a former road tunnel.</span> <span data-start-time='12021' data-end-time='23354'>The farm produces fruits and vegetables hydroponically, which means the plants do not grow in the ground.</span> <span data-start-time='23354' data-end-time='32458'>Instead, they grow on vertical equipment that provides a continuous flow of water.</span> <span data-start-time='32458' data-end-time='38854'>Indoor farms use artificial light instead of sunlight.</span> <span data-start-time='38854' data-end-time='45125'>There are other vertical smart farms in South Korea.</span> <span data-start-time='45125' data-end-time='56333'>But this one built by the company NextOn about 200 kilometers south of Seoul - is the nation’s biggest.</span> <span data-start-time='56333' data-end-time='68313'>It is also one of the largest indoor vertical farms in the world, with a total area of 2,300 square meters.</span> <span data-start-time='68313' data-end-time='77750'>But what makes the farm even more unusual is the fact that it sits inside a huge tunnel.</span> <span data-start-time='77750' data-end-time='89438'>The tunnel was built in 1970 for one of South Korea’s first major highways, but it closed down in 2002.</span> </p></div><div class='control-buttons-sticky' style='display:none;'><div class='control-buttons'><button title='Back' class='back' disabled='disabled'></button><button title='Play' class='play' disabled='disabled'></button><button title='Pause' class='pause' style='display:none;'></button><button title='Forward' class='forward' disabled='disabled'></button><button class='finished-reading' style='display:none;'>Done</button></div></div></div><div id='article-media'><div id='media-image'><img src='https://news-app-production.s3.amazonaws.com/articles/2783/5B3CA216-1B35-4D77-8CFE-D482E5A5FC82_cx5_cy5_cw88_w1023_r1_s.jpg'/></div></div><div id='question-content' style='display:none;'><div class='vocabulary_question question-container' data-question-id=11442 data-hint-location='0' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/what_does_tunnel_mean.wav'>What does tunnel mean?</div><div class='choices' data-correct-choice='long passage that runs underground or through a mountain'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/a_road_that_cuts_through_flat_land.wav'><span>a road that cuts through flat land</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/long_passage_that_runs_underground_or_through_a_mountain.wav'><span>long passage that runs underground or through a mountain</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/a_type_of_string_instrument.wav'><span>a type of string instrument</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/a_road_that_goes_over_water.wav'><span>a road that goes over water</span></div></div></div><div class='multiple_choice_question question-container' data-question-id=11443 data-hint-location='23354' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/instead_they_grow_on_what_kind_of_equipment.wav'>Instead, they grow on what kind of equipment?</div><div class='choices' data-correct-choice='vertical'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/vertical.wav'><span>vertical</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/plastic.wav'><span>plastic</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/glass.wav'><span>glass</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/horizontal.wav'><span>horizontal</span></div></div></div><div class='sentence_completion_question question-container' data-question-id=11444 data-hint-location='68313' style='display:none;'><div class='question' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/but_what_makes_the_farm_even_more__blank__is_the_fact_that_it_sits_inside_a_huge_tunnel.wav'>But what makes the farm even more <span class='blank'>unusual</span> is the fact that it sits inside a huge tunnel.</div><div class='choices' data-correct-choice='unusual'><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/common.wav'><span>common</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/inefficient.wav'><span>inefficient</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/efficient.wav'><span>efficient</span></div><div class='choice' data-sound-name='https://news-app-production.s3.amazonaws.com/articles/2783/unusual.wav'><span>unusual</span></div></div></div><div class='question-buttons'><button class='skip-button'></button><button class='hint-button'></button><button class='speak-button'></button></div></div></div>
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