Greenhouse
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In horticulture, a greenhouse is a structure designed to regulate the temperature and humidity of the environment inside it with a view to growing plants. There are different types of greenhouses, but
Victoria amazonica (giant Amazon waterlilies) in a large greenhouse at the Saint Petersburg Botanical Garden
Young tomato plants for transplanting in an industrial-sized greenhouse in the Westland, Netherlands
Versailles Orangerie at the Palace of Versailles, France.
Reconstruction of George Washington's greenhouse at Mount Vernon
Cold frame
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In agriculture and gardening, a cold frame is a transparent-roofed enclosure, built low to the ground, used to protect plants from adverse weather, primarily excessive cold or wet. The transparent top
Greenhouse
…can range in size from small sheds to industrial-sized buildings and colossal glasshouses. The smallest example is a miniature greenhouse known as a cold frame, typically used at home (compare cloche). Large commercial greenhouses are high-tech production-facilities used to grow vegetables, flowers or fruits…
A traditional homemade cold frame
Cold frame as a part of a greenhouse
Cold frame on the side of Richterhütte in Austria