The houses of the Campidano are mostly built of sun-dried unbaked bricks.
Half a day's journey beyond, at a point where two great wadis enter the Euphrates, on the Syrian side, stands Jabriya, an unidentified ruined town of Babylonian type, with walls of unbaked brick, instead of the stone heretofore encountered.
Accordingly, when the city was rebuilt in 370 B.C., the river Ophis was divided into, two branches, which between them encircled the walls; and the walls themselves were constructed to a height of about 3 to 6 feet of stone, the rest being of unbaked brick.
This is the remains of the raised platform of unbaked brick, faced with baked bricks and stone, on which stood the principal palaces and temples of the city, the cone at the N.W.
The normal Castilian landscape is an arid and sterile steppe, with scarcely a tree or spring of water; and many even of the villages afford no relief to the eye, for they are built of sunburnt unbaked bricks, which share the dusty brownish-grey tint of the soil.