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Signy-Signets is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
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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.
Taunton is a town in Somerset, England, with a 2011 population of 69,570. It has over 1,000...
Delingha (Chinese: 德令哈; pinyin: Délìnghā; Tibetan: གཏེར་ལེན་ཁ།, Wylie: gter-len-kha, ZYPY:...
Hagen (German pronunciation: [ˈhaːɡn̩] (listen)) is the 41st-largest city in Germany. The...