storey: it sure is. widmer: okay, here's the entrance. i'll tell you what, rebecca -- i'll go in first. down to me. storey: that's a good idea. yeah. go ahead. widmer: it's not as tight as it looks, but it does go down. keach: storey and widmer reach the first small chamber. gordon reported that he found the bones and pots in a second chamber beyond this one. storey: looks like a tighter fit than the other one. widmer: oh, yeah, it is. storey: looks longer, too. widmer: yeah but i can see the bottom. don't see any bats. well, i'm standing in gordon's test pit. storey: human bone. there is human bone here, yes. keach: the cave floor is made of limestone and decomposed bat guano. that's the reason for the masks. the dry soil has preserved the bones for 3,000 years or more. storey: good place to put a pit. let's put a pit right here. depending on the age and sex pattern that we find among the skeletons, it will tell us a lot about the social organization of that culture. if everyone is treated the same way whether they are old or young, male or female then it's pretty much a society where