Complex sentence: Cave paintings produced in red ochre have been found, as well as various paleolithic and neolithic tools, over 1600 stone artifacts as well as many pieces of bone and red ochre.
Split into simpler sentences: Cave paintings produced in red ochre have been found, as well as various paleolithic and neolithic tools. Along with the paintings, excavation of the site found over 1600 stone artifacts as well as many pieces of bone and red ochre.