For other uses, see Greenhouse . A masterpiece of 19th-century greenhouse architecture]].]] (seen from an airplane)]]A greenhouse (also called a glasshouse or hothouse) is a building where plants are cultivated. A greenhouse is a structure with a glass or plastic roof and frequently glass or plastic walls; it heats up because incoming solar radiation from the sun warms plants, soil, and other things inside the building. Air warmed by the heat from hot interior surfaces is retained in the building by the roof and wall. These structures range in size from small sheds to very large buildings. Greenhouses can be divided into glass greenhouses and in plastic greenhouses. Commercial glass greenhouses are often high tech production facilities for vegetables or flowers. The glass greenhouses are filled with equipment like screening installations, heating, cooling, lighting and may

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