These people accompanied Maternus’s expedition to a mysterious region called Agisymba. These people’s main exports were “carbuncles” or “Nasamonian stones” thought (15[1])to have been carnelian and amazonite. In the 1st century CE, these people’s misadventures in the lands to their north include their secret backing of Tacfarinas’s revolt and their intervention in (-5[1])Oea’s war with a neighboring city. These people (15[1])extracted “fossil water” from hamada (15[1])plateaus (15[1])with shaft-aerated (15[1])channels that resemble Persian qanats and are now known as (*) foggara. According (-5[1])to Herodotus, (10[1])these people tended backwards-grazing cattle and used four-horse chariots to hunt (-5[1])Troglodytes. After defeating these agriculturalists based in wadis of the Fezzan region, (10[1])Lucius Balbus’s (10[1])expedition proceeded south as far as the Niger River. (-5[1])For 10 points, name this ancient civilization of southern Libya. ■END■ (0[3])