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Wiktionary
ecomuseum

n. A museum, often consisting of replica buildings in an outdoor setting, that shows the heritage of a particular locality or community

Wikipedia
Ecomuseum

An ecomuseum is a museum focused on the identity of a place, largely based on local participation and aiming to enhance the welfare and development of local communities. Ecomuseums originated in France, the concept being developed by Georges Henri Rivière and Hugues de Varine, who coined the term ‘ecomusée’ in 1971. The term "éco" is a shortened form for "écologie", but it refers especially to a new idea of holistic interpretation of cultural heritage, in opposition to the focus on specific items and objects, performed by traditional museums.

There are presently about 300 operating ecomuseums in the world; about 200 are in Europe, mainly in France, Italy, Spain, and Poland.