Alcantara Overview

, Extremadura, Spain, on the Tagus, near Portugal. It is famed for its Roman bridge of six symmetrical arches, 194 m/670 feet long and 71 m/210 feet high, built in honour of Trajan in 103-106. An inscription gives the name of the architect of the viaduct, C. Iulius Lacer. The bridge carried the Roman road from Norba to Conimbriga (...)
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