Well, of course it has changed since the beginning of the century, when they were discovered, but it can tell us different ways of looking at rock art which are not our way of looking at rock art.
Noski, aldatu egin da XX. mende hasieratik, aurkitu zirenean, baina lagundu gaitzakete leizetako artea ikusten gureetatik oso ezberdinak diren beste ikuspegietatik.