15994
There are Roman ruins in Périgueux which have been restored and the whole area is known as the ' cradle of mankind ' due to its wealth of prehistoric sites , of which the most famous prehistoric site is the painted cave of Lascaux , whose depictions of aurochs , horses , deer and other animals ( but not of humans ) date back some 17,000 years .
 Périgueux, Lascaux
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Périgueux, Lascaux