Trajan’s Market, at the Museo dei Fori Imperiali, Rome.

“Trajan’s Market (Latin: Mercatus Traiani, Italian: Mercati di Traiano) is a large complex of ruins in the city of Rome, located on the Via dei Fori Imperiali, at the opposite end to the Colosseum. The surviving buildings and structures, built as an integral part of Trajan’s Forum and nestled against the excavated flank of the Quirinal Hill.”