The campaign of Piankhi on the banks of the Nile is a series of successful sieges.

Nothing, however, leads us to suppose that the art of fortification had at that time made any distinct progress; and when the Greek rulers succeeded the native Pharaohs, they most probably found it at much the same stage as it was left by the engineers of the Nineteenth and Twentieth Dynasties.
[3] At Medinet Habu.
3 .-- PUBLIC WORKS.
A permanent network of roads would be useless in a country like Egypt.

The Nile here is the natural highway for purposes of commerce, and the pathways which intersect the fields suffice for foot-passengers, for cattle, and for the transport of goods from village to village.

Ferry-boats for crossing the river, fords wherever the canals were shallow enough, and embanked dams thrown up here and there where the water was too deep for fordings, completed the system of internal communication.

Bridges were rare.