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Every building in the city of Zurich that was built more than 150 years ago, based on data from the city of Zurich.

Age of buildings in Zurich

For day 3 of the #30daymapchallenge on Twitter focused on the topic of "polygons", we maped out all the buildings in Zurich, highlighting the ones that are older than 150 years.

Data sources

The data for this visualization comes from the city of Zurich