"sewage system in Rio largely "medieval," comparable with London or Paris in the 14th or 15th century." http://www.businessinsider.com/medieval-brazils-sewage-system-is-comparable-to-london-or-paris-in-the-14th-century-2015-9?IR=T …
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"sewage system in Rio largely "medieval," comparable with London or Paris in the 14th or 15th century." http://www.businessinsider.com/medieval-brazils-sewage-system-is-comparable-to-london-or-paris-in-the-14th-century-2015-9?IR=T …