Nearly 16,000-year-old portrayals of fish surrounded by nets had evaded detection until a new technique took magnification to a new level.

A generated image of the prehistoric sandstone plate and its engraving A stone believed to be about 12,000 years old and engraved with what appears to be a horse and other animals has been ...

Some of the animals have been overdrawn several times ... were then sometimes applied to outlines of figures first engraved into the stone and at others painted directly onto the cave wall.