Lux VOL . 03
December 2017 The lux (symbol: lx) is the SI unit of illuminance and luminous emittance, measuring luminous flux per unit area. One lux is equal to one lumen per square metre: 1 lx = 1 lm/m2 = 1 cd•sr/m2 Wikipedia
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AFGHANISTAN Photography by Kennet Islandi Havgaard