Grenoble vs Porto Velho

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Grenoble ( grə-NOH-bəl, French: [ɡʁənɔbl] (listen); Francoprovençal: Grenoblo) is the prefecture and largest city of the Isère department in the Auvergne-Rhône-Alpes region of Southeastern France. It lies at the foot of the French Alps where the river Drac joins the Isère. A significant European scientific centre, the city advertises itself as the "Capital of the Alps", due to its size and its proximity to the mountains. The population of the commune of Grenoble was 158,180 at the 2016 census, while the population of the Grenoble metropolitan area (French: aire urbaine de Grenoble or "agglomération grenobloise") was 687,985 which makes it the largest metropolis in the Alps, ahead of Innsbruck and Bolzano. The residents of the city are called "Grenoblois". The many suburb communes that make up the rest of the metropolitan area include three with populations exceeding 20,000: Saint-Martin-d'Hères, Échirolles, Fontaine and Voiron.Grenoble's history goes back over 2,000 years, to a time when it was a small Gallic village.

It became the capital of the Dauphiné in the 11th century. This status, consolidated by the annexation to France, allowed it to develop its economy. Grenoble then became a parliamentary and military city, close to the border with Savoy. Industrial development increased the prominence of Grenoble through several periods of economic expansion over the last three centuries. This started with a booming glove industry in the 18th and 19th centuries, continued with the development of a strong hydropower industry in the late 19th to early 20th centuries and ended with a post-World War II economic boom symbolized by the holding of the X Olympic Winter Games in 1968. The city has grown to be one of Europe's most important research, technology and innovation centres, with one in five inhabitants working directly in these fields. Grenoble is classified as a global city with the ranking of "sufficiency" by the Globalization and World Cities Research Network. The city will hold the title of European Green Capital in 2022.

Source: Wikipedia

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Porto Velho (Portuguese pronunciation: [ˈpoʁtu ˈvɛʎu], Old Port) is the capital of the Brazilian state of Rondônia, in the upper Amazon River basin, and a Catholic Metropolitan Archbishopric. The population is 519,531 people (as of the IBGE 2018 estimation). Located on the border of Rondônia and the state of Amazonas, the town is an important trading center for cassiterite, the mining of which represents the most important economic activity in the region, as well as a transportation and communication center.

It is on the eastern shore of the Madeira River, one of the main tributaries of the Amazon River. It is also Rondônia's largest city, and the largest state capital of Brazil by area. The municipality occupies most of the border between Amazonas and Rondônia, and is both the westernmost and northernmost city in the state.

Source: Wikipedia