@PugJesusM to Illustrations of historyEnglish • 24 hours agoSimple cutaway of a Roman aqueductimagemessage-square2arrow-up163arrow-down11
arrow-up162arrow-down1imageSimple cutaway of a Roman aqueduct@PugJesusM to Illustrations of historyEnglish • 24 hours agomessage-square2
minus-square@PugJesusOPMlinkEnglish10•16 hours agoKeeping the gradient steady so the water flows all the way to the destination.
Keeping the gradient steady so the water flows all the way to the destination.