History of the Peloponnesian War

and they carried to it brush-wood, and stone, and soil, and whatever else would help to complete it when thrown on. Seventy days and nights continuously they were throwing it up, being divided into relief-parties, so that some should be carrying, while others were taking sleep and refreshment; the Lacedaemonian officers who shared the command over the contingents of each state urging them to the work.

But the Plataeans, seeing the mound rising, put together a wooden wall, and placed it on the wall of their city, where the mound was being made, and built bricks inside it, which they took from the neighbouring houses.