Houses that have grass on the roof (25 pics)
Modern green roofs, which are made of a system of manufactured layers deliberately placed over roofs to support growing medium and vegetation, are a relatively new phenomenon. However, green roofs or sod roofs in Northern Scandinavia have been around for centuries. The modern "trend" started when green roofs were developed in Germany in the 1960s, and have since spread to many countries. Today, it is estimated that about 10% of all German roofs have been “greened.” Green roofs are also becoming increasingly popular in the United States, although they are not as common as in Europe.

























Text: wiki

























Text: wiki
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