This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Stpetersbasilicainteriorpannini. en The Nave of St Peter's Basilica in the Vatican This is one of series of paintings Pannini did of this subject Saint Louis Art Museum slam org html Giovanni Paolo Pannini PDold Smaller version Saint Peter's Basilica in art interior Interior of Saint Peter's Rome Nave of Saint Peter's Basilica