Chacán-Pi (Making Love) by Peruvian artist Fernando de la Jara has been a thought-provoking installation outside Tübingen University's institute for microbiology and science since 2001. But the free-standing, 32-tonne marble vagina was never intended as an interactive artwork.
That didn't stop the anonymous student above from venturing inside -- and falling foul of a complicated second birth, becoming trapped in its stone folds. It eventually took 22 firefighters to deliver the embarrassed man, a natural birth "by hand and without the application of tools". [ErickGuzman / Imagur]