The photos show plastinated female bodies. This is an anatomical technique used to permanently converse bodies. Body water and fat are replaced with certain plastics that prevent rotting and decomposition.
Plastinated bodies are most often used for the study of anatomy. Most of the photos here are from “Bodies: The Exhibition”, which is open to the public. You can see the whole human body in layers.
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https://en.wikipedia.org/wiki/Bodies:_The_Exhibition