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<p>life it consisted of open-air channels lined up with bricks centered around a main pipe. At this stage it might have had no roof. However, wooden holes spread throughout the sewer indicate that wooden bridges may have been built over it, which possibly functioned as a roof. Alternatively, the holes could have functioned as a support for the <a href="page.php?w=scaffolding">scaffolding</a> needed to construct the drainage. The Cloaca Maxima may also have originally been an open drain, formed from <a href="page.php?w=stream">stream</a>s originating</p><p>
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