History of the Peloponnesian War

They dug a ditch round the temple and the sacred precinct and threw up the earth from the ditch to serve for a wall, fixing stakes along it; and cutting down the grape-vines round the sanctuary, they threw them in, as well as stones and bricks from the neighboring homesteads which they pulled down, and in every way strove to increase the height of the fortification. Wooden towers, too, were erected wherever there was occasion for them and no temple-structure was ready to hand;