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2 May

(this is a song with no words
no one can hear the missing

Some months after December, 1989 a German team of law enforcement experts, prosecutors, and forensic scientists looking for Juan Weider came upon a Roman aqueduct in the rainforest of Ecuador. It was a puzzling discovery, given that side of the world and absolutely no historical accounts of Roman colonization of South Ameriʞʞʞa. Everything about the disappearance of Juan Weider was puzzling, including its resolution. Or, non-resolution. But there, among the horrors of the discovery of Weider’s work over all the years he had been missing, stood this magnificent relic built by a civilization that had never before been thought to have reached that part of the world. There was no doubt that the aqueduct was Roman, so the mystery of its existence was further cemented. The structure was engineered with the typical arches, allowing for large-span coverage. It was made from new materials, like concrete and waterproof cement, which could ignore unfavorable land features and draw the water along the straightest possible route along a regular gradient. Another innovation that allowed for this structure to traverse valleys, for example, was the large-scale inverted siphon. These were made from clay or several lead pipes reinforced with stone blocks. The force of gravity and pressure as the water ran down the valley created momentum, which would drive the water up the opposite side. The arched bridges running across the valley floor would lessen the height the water had to fall, and more importantly, run up on its ascent. Further evidence of its Roman engineering were stopcocks to manage pressure and regulate the water flow, as well as storage reservoirs, settling tanks to extract sediment, and mesh filters at outlets. Also present was a system for small cascades. This was used to “freshen water” by aerating it.

Kurt Schrimm (prosecutor, Berlin)


Interesting thing: the Roman aqueducts were protected by law. No agricultural activity was to exist near an aqueduct in case of damage by ploughing or root growth.”



Uwe Blab (detective, Berlin)


But on the other hand, agriculture benefited from aqueducts, as in many cases, running off channels were created to provide water for land irrigation. So you see . . .

(this is a song with no words
no one can hear the missing


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