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Terrassa is a medium-sized city in the province of Barcelona (Spain). As of January of 2017, it had a population of 217,000. It is an ancient Roman city, and was once the production centre for the region's textile industry.

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The neighbourhood of "El Gancho" is located in the heart of Zaragoza, a city with over 680,000 inhabitants, and in the centre of the Old Town (the 2nd largest in Spain). It emerged 800 years ago when the Market moved outside the Roman city.

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With a population of 1,071,000, and located in the city of Abidjan, Yopougon is a lively cultural centre where youth, artists, cultural entrepreneurs, and non-profit organisations, all play an essential role.

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Yarra Ranges Shireis located in Victoria, Australia, on metropolitan Melbourne's eastern fringe. Home to a population of 145,000, Yarra Ranges covers approximately 2,500 km2.

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In less than 20 years, a small city in Canada's Vaudreuil-Dorian province of Quebec, has seen a significant transformation in its demographic; the number of citizens has risen from 17,000 to 37,000.

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Located in Canada, in the outskirts of Montreal, Vaudreuil-Dorion has a population of 37,000 citizens. The community began to undergo a significant transformation. Listed below are some of the changes from 1994 to 2014 (Statistics Canada):

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The Medina of Tunis was listed as a UNESCO World Heritage Site in 1979. It is made up of a central Medina (8th c.) and two suburbs (13th c.) and covers an area of 299 hectares.

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Canada's second oldest French-speaking city, Trois-Rivières, was founded in 1634. With its 135,000 inhabitants, it is ranked 8th city of Quebec. Its prosperity has long relied on the manufacturing and paper industry, which fell into crisis in the 1990's.