Imperial Roman army other military facilities e.g. Hadrian's Wall itself was built by the army. But they also built up much of a province's Roman infrastructure: trunk Roman roads, bridges, docks, canals, aqueducts, entire new cities such as "coloniae" for veteran legionaries, public buildings (e.g. basilicas and amphitheatres). The army also carried out large-scale projects to increase the land available for agriculture, such as forest clearance and draining marshes (e.g. the large-scale drainage of the Fens in eastern England, which were probably developed as a huge imperial estate). The army also excavated many of the mines and quarries that produced the raw materials
All Hallows-on-the-Wall All Hallows-on-the-Wall All Hallows-on-the-Wall is a Church of England church located in the City of London. Its name refers to its location, inside and adjacent to London Wall, the former city wall, at Broad Street. The present church was constructed by George Dance the Younger in 1767, replacing an earlier church built some time in the early 12th century on a bastion of the old Roman wall. It became renowned for its hermits, who lived in cells in the church. All Hallows escaped destruction in the Great Fire of London in 1666 due to its position under the wall, but