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In page Cologne Cathedral:
"In the mid 14th century work on the west front commenced under Master Michael. This work ceased in 1473, leaving the south tower complete to the belfry level and crowned with a huge crane that remained in place as a landmark of the Cologne skyline for 400 years.[2] Some work proceeded intermittently on the structure of the nave between the west front and the eastern arm, but during the 16th century this also stopped.[3]
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