Villa del Casale
From Wikimedia Commons, the free media repository
English: Villa del Casale is a Roman archeological site near Piazza Armerina in Sicily, Italy.
Please see also /si veda anche: Category:Roman mosaics from Piazza Armerina.
The famous "bikini girls" mosaic, showing women exercising, running, or receiving the palm of victory and crown (for winning an athletic competition):