Saturnalia Fossae (Vesta)
Three-day Roman festival starting on December 17, with sacrifices, public feasting, gifts, and slaves were waited on by their masters.
A fossa is a long, narrow, shallow depression. On Vesta they are named after places and festivals associated with vestal virgins.
Image Source. Marker locations are approximate and may not always appear to align with image on map.
Saturnalia Fossae
28.05° N 37.05° E