Gardening and people who love to put their hands into soil and tend to growing plants know no boundaries — certainly there’s no less of them in the cold climates — but you can’t just go outside and garden all year round once you get away from the hot equator.
One thing some people do, though, is extend their growing seasons with greenhouses, indoor and outdoor. And another way to do it is to build an underground pit greenhouse, which is better in the way that it costs less to heat than a standing greenhouse. These originated in South America about 20 years ago.
Here’s a video about them:
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