Yes, a complete replica has been created for people to tour. Please google - (lascaux caves opening times) & you will find ......
For the first time, all of Lascaux is revealed. A complete new replica retraces the discovery of the famous decorated cave. But that's not the end of the adventure: the entire site inquires into the position that Lascaux occupies in cave art and its relation to contemporary creation. The opening of the International Centre for Cave