The document describes the High Empire period in Rome from 96-192 CE, including structures built by emperors Trajan and Hadrian. Trajan built expansive new forums and markets in Rome, commemorated by structures like the Column of Trajan depicting his military victories. Hadrian's buildings included the Pantheon with its revolutionary dome design. Later emperors like Antoninus Pius and Marcus Aurelius continued expansion and beautification projects in Rome and other cities like Ostia during this period of peak Roman power and influence.