Aleksandar
Greg Foot visits London company Growing Underground to see how they are using a Hydroponic system to grow salad leaves and micro herbs 100 feet under the streets of London. Subscribe to Earth Lab: http://bit.ly/SubscribeToEarthLab
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Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you. If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Lab experts.
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