The Mausoleum of Galla Placidia is a small, early Christian building located in Ravenna, Italy. Constructed in the 5th century, it is known for its stunning mosaics and unique architectural style. The mausoleum was built as a burial place for Galla Placidia, the daughter of the Roman Emperor Theodosius I and sister of Emperor Honorius. Inside, visitors can admire intricate mosaics depicting biblical scenes, including the famous image of Christ as the Good Shepherd. The structure's cross-shaped design and blue ceiling adorned with stars create a serene atmosphere, making it a significant example of early Christian art and architecture.