The second chamber, the one behind the two Caryatids, is 4,5 meters wide and 3,0 meters long. The chamber floor is covered with a pictorial mosaic in glorious colors and detail.
The mosaic covers the entire floor surface of the 2nd Chamber. The mosaic is in white, black, grey, blue, red and yellow and shows a chariot pulled by two white horses and two male figures. The Charioteer is a bearded man with a laurel wreath upon his head. Running ahead of the Chariot, is Hermes, the guide to the under world. The floor has an area [circular] of restorable damage.
Source: http://mydesignstories.com