In southern Nigeria during the sixteenth and seventeenth centuries, only the ruling family of Benin had the right to wear jewelry carved of white ivory material.
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- 16到17世纪,在尼日利亚南方地区,只有居住在贝宁城的皇室成员才有权佩戴由洁白的象牙材料雕刻出来的饰品。