Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 9cm ( 3.5 inch) for each wave link 3cm ( 1.2 inch) for each arc 4cm ( 1.5 inch) for the clasp ...

The Obas used art and architecture to show their power ... which is present-day Benin City. A wall was built around the capital and included moats for increased protection. The wall took decades ...