Fribourg vs Lux

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Fribourg (French pronunciation: ​[fʁibuʁ]; Francoprovençal: Fribôrg or Friboua [fʁiˈbwa] (listen)) or Freiburg (also called Freiburg im Üechtland [ˈfraɪbʊrɡ ɪm ˈyːəçtland] for disambiguation from Freiburg im Breisgau; Swiss German: Frybùrg [ˈfrib̥ʊrɡ̊]; Italian: Friburgo or Friborgo; Romansh: Friburg) is the capital of the Swiss canton of Fribourg and the district La Sarine.

It is located on both sides of the river Saane/Sarine, on the Swiss Plateau, and is a major economic, administrative and educational center on the cultural border between German and French Switzerland (Romandy). Its Old City, one of the best-maintained in Switzerland, sits on a small rocky hill above the valley of the Sarine.

Source: Wikipedia

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The lux (symbol: lx) is the SI derived unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square metre. In photometry, this is used as a measure of the intensity, as perceived by the human eye, of light that hits or passes through a surface. It is analogous to the radiometric unit watt per square metre, but with the power at each wavelength weighted according to the luminosity function, a standardized model of human visual brightness perception.

In English, "lux" is used as both the singular and plural form.The word is derived from the Latin word for "light", lux.

Source: Wikipedia