[knarf]

"However, exactly how the bodies came to be deposited at the bottom of the shaft has always perplexed and intrigued those researchers that have excavated the site."

Gonna' go way out on a limb here ... (or maybe it'll be down a deep hole ... ),but,

Couldn't these have been miners caught by a cave in?

[smcmike]

What would they have been mining 350,000 years ago?