3961232 Room of the Girls representing athletes engaged in an athletics competition wearing a two-piece swimsui (mosaic) by Roman, (4th century AD); Villa Romana del Casale, Piazza Armerina, Sicily, Italy; (add.info.: Piazza Armerina, Roman Villa of Casale, which was probably an imperial urban palace. Today it is a UNESCO World Heritage Site. Detail of the floor mosaic of the Room of the Girls representing athletes engaged in an athletics competition, wearing a two-piece swimsuit.It can be said that the girls depicted show how the bikini is a Roman invention. Piazza Armerina, Villa romana del Casale che probabilmente era palazzo imperiale urbano. Oggi); Ghigo Roli; out of copyright.