Editing Roman art (section)

===Mosaic===
{{main|Roman mosaic}}
[[File:Bikini mosaic.jpg|thumb|[[Roman mosaic]] of female athletes playing ball at the [[Villa Romana del Casale]] of [[Piazza Armerina]], [[Roman Sicily]], 4th century AD]]

Roman mosaic was a minor art, though often on a very large scale, until the very end of the period, when late-4th-century Christians began to use it for large religious images on walls in their new large churches; in earlier Roman art mosaic was mainly used for floors, curved ceilings, and inside and outside walls that were going to get wet.  The famous copy of a Hellenistic painting in the ''[[Alexander Mosaic]]'' in Naples was originally placed in a floor in [[Pompeii]]; this is much higher quality work than most Roman mosaic, though very fine panels, often of [[still life]] subjects in small or [[micromosaic]] [[tesserae]] have also survived.  The Romans distinguished between normal ''[[opus tessellatum]]'' with ''tesserae'' mostly over 4&nbsp;mm across, which was laid down on site, and finer ''[[opus vermiculatum]]'' for small panels, which is thought to have been produced offsite in a workshop, and brought to the site as a finished panel.  The latter was a Hellenistic genre which is found in Italy between about 100 BC and 100 AD.  Most signed mosaics have Greek names, suggesting the artists remained mostly Greek, though probably often slaves trained up in workshops.  The late 2nd century BC [[Nile mosaic of Palestrina]] is a very large example of the popular genre of [[Nilotic landscape]], while the 4th century [[Gladiator Mosaic]] in Rome shows several large figures in combat.<ref>Henig, 116-138</ref>  [[Orpheus mosaic]]s, often very large, were another favourite subject for villas, with several ferocious animals tamed by [[Orpheus]]'s playing music. In the transition to Byzantine art, hunting scenes tended to take over large animal scenes.