Interesting article and photos of troglodyte houses and caves in France...http://www.amusingplanet.com/2014/06/troglodyte-houses-and-caves-of-les.html
![les-eyzies-5[6].jpg](https://www.seniorforums.com/data/attachments/4/4443-7024ade86dd8ca73ec530a415b88cd68.jpg "les-eyzies-5[6].jpg")
