For more than 20 years, a simple white slab sat in the main office of Biloela State High School, blending into the background. It was a relic of the nearby Callide Mine, a gift to the school by a geologist. For most, it was just an impressive rock with multiple chicken-like tracks.

A palaeontologist’s call-out for rocks bearing dinosaur footprints around an Australian town has borne fruit, including a densely packed set of prints sitting in the foyer of the local high school, unbeknown to many students.

A large boulder used as decoration in a rural Australian high school’s foyer is actually covered in dinosaur footprints —it just took around 20 years for anyone to notice. After examining the ancient rock,