A Black and White Photo of the Aqueduct of Segovia in Spain
The Aqueduct of Segovia was built during the reign of Roman Emperor Trajan and is still in use today, carrying water from the Frío river to the town of Segovia. The bridge, which consists of 24,000 granite blocks, was constructed without the use of mortar and each of its 167 arches is more than nine meters high.
The Aqueduct of Segovia was completed in AD 50.
more info at the wikipedia page
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Aquädukt von SegoviaDer Aquädukt von Segovia in Zentralspanien stammt aus der Blütezeit des römischen Imperiums und führte jahrhundertelang frisches Quellwasser aus den Bergen der Sierra de Fuenfría in ca. 17 Kilometern Entfernung in die Stadt. .. weiterlesen