fortification Fyrkat was built on the same geometric principal as "Trelleborg".
Fyrkat was however a little smaller and had no front fortification.
and "Trelleborg" was built during the same period around year 980 and the excavation
of the burial ground tells us that families lived at Fyrkat.
only one of the four houses in each block was used for residential purposes. The
other houses were used as smithy, warehouse, stable and workshop for the gold-