The former Phoenix West blast furnace is colorfully illuminated in Dortmund, Germany, 24 October, 2020. The light artist Thorsten Pfister “lichtkunst.ruhr” illuminates different historical industrial buildings in the Ruhr area in a variety of colors. The different colors are a symbol for the diversity of the population of the Ruhr area. (Photo by Friedemann Vogel/EPA/EFE)
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