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
Scotland artefacts. In 1924, another storm swept away part of one of the houses and it was determined the site should be made secure and more seriously investigated. The job was given to University of Edinburgh's Professor Vere Gordon Childe who travelled to Skara Brae for the first time in mid-1927. The written protohistory of Scotland began with the arrival of the Roman Empire in southern and central Great Britain, when the Romans occupied what is now England and Wales, administering it as a province called "Britannia". Roman invasions and occupations of southern Scotland were a series of brief interludes. According