Written in stone.
From the excerpt: "The prints, as old as 145 million years, were spotted near Hastings after coastal erosion from storms. Researchers were even able to make out skin and scale textures and details of claws from the find. They believe many more prints are likely to be discovered in the area as erosion continues."
Erosion continues? Odd, how in the modern era, erosion exposed these fossilized imprints, yet ancient erosion failed to even smudge the fine detail impressed into the soft, earthen dinosaur path before it fossilized in the subsequent years...