Rome authorities are set to build the world's first 'archaeological underground station' around an ancient Roman barracks which came to light during works to build a new underground station. The remains of a second century imperial barracks were found nine metres below street level in November, when construction began on Amba Aradam-Ipponio station on the city's new metro Line C. The 1,753 square-metre ruin contains some 39 rooms, many of which contain original mosaics and frescoes. Lying so deep under the city, it was impossible for modern survey equipment to detect the ruin before work began. But work on the...