【英文原文】

Sahara Stone Arrowheads, Chad, 1999

Stone arrowheads carved by early inhabitants of the Sahara are laid out in a neat circle atop that desert's sands.

【中文翻译】

撒哈拉沙漠古代居民雕刻的石箭头在沙漠的沙地上摆成一个均匀的圆圈。