<Li> thyromata, more complex pictures built into the second - level scene (3rd level from ground) </Li> <Li> phallic props were used for satyr plays, symbolizing fertility in honour of Dionysus . </Li> <P> The Ancient Greek term for a mask is prosopon (lit., "face"), and was a significant element in the worship of Dionysus at Athens, likely used in ceremonial rites and celebrations . Most of the evidence comes from only a few vase paintings of the 5th century BC, such as one showing a mask of the god suspended from a tree with decorated robe hanging below it and dancing and the Pronomos vase, which depicts actors preparing for a Satyr play . No physical evidence remains available to us, as the masks were made of organic materials and not considered permanent objects, ultimately being dedicated at the altar of Dionysus after performances . Nevertheless, the mask is known to have been used since the time of Aeschylus and considered to be one of the iconic conventions of classical Greek theatre . </P> <P> Masks were also made for members of the chorus, who play some part in the action and provide a commentary on the events in which they are caught up . Although there are twelve or fifteen members of the tragic chorus they all wear the same mask because they are considered to be representing one character . </P>

How many masks survive from the times of ancient greece why
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