Cow bones were discovered in the floor of a 16th century building in the red light district of Alkmaar in North Holland. The floor, excavated by Heritage Alkmaar, is believed to date back to the 15th century and exemplifies a method of construction only rarely seen in certain parts of the European nation, according to a report from Fox News.

During the renovation of a building in Alkmaar, located in the northern part of the Netherlands, archaeologists made an extraordinary discovery: they uncovered a floor made of bones. In Alkmaar, in northern Holland,