Bruges

In the early 16th century, when the Zwin Canal, which was the “window to the world,” the source of the city’s power, was silted up, the city began to lose its commercial importance.

An excerpt from the article 31 facts about Bruges

Antwerp was becoming a commercial powerhouse. Lace-making (the famous Brabant lace lace with a pattern of swirling branches on a tulle background) declined in the 17th century.