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Kinda reminds me of Danny Trejo, actually.
Bones in caves like that are often particularly problematic...all that blobby honey-colored goo isn't goo, it's calcium carbonate. Also known as "almost exactly what bones are made of, chemically/elementally speaking." Another example of this encrusting phenomenon can be seen in the documentary Cave of Forgotten Wonders--except in France, the bones they found fused into the walls by exactly this kind of stone are cave bears. For anyone who hasn't seen it, explorers searching the limestone karst landscape in part of France for caves not only found one, they found a uniquely preserved, previously inhabited cave system containing the oldest known representation of a human figure in cave-wall art. The whole thing was preserved tens of thousands of years ago when a huge limestone plate over the entrance sealed the cave almost entirely. An airlock has been installed (look up what we did to the Lascaux cave) and a very few scientists are allowed a very few days a year, and they had to use a selfie stick to see the woman painted on a stalactite because they're required to stay on a metal pathway on the cave floor at all times, and it ends several feet from the stalactite. My favorite image, though, even more so than the cave bear skull fused into the floor, is a painted wall with animals that is now covered by a layer of prismatic habit clear calcite crystals! It's believed that this wall did not start acquiring crystals until after the entrance was sealed.
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