Archaeologists discover a mysterious floor made of BONES in the red light district of a Dutch city When excavating the floor of a building, archeologists may typically uncover ancient earthenware tiles or a beautiful Roman mosaic.
The meticulously-arranged bones were found inside a building at Achterdam, a red light district in the Dutch city of Alkmaar.
Pictured, the building where the bone floor was found] Taken from dead cattle, the bones might have been laid about 500 years ago during construction of the building, the experts think.
Achterdam is a red light district in the Dutch city of Alkmaar, about 18 miles (30km) north of capital Amsterdam.
The municipality of Alkmaar, Gemeente Alkmaar, said in a statement: 'The question is of course why bones were used to fill the tiled floor.
