Original: Christian Züchner, based on his archaeological dating, is of the opinion that the red paintings are from the Gravettian period (c. 28,000–23,000 BP) and the black paintings are from the Early Magdalenian period (early part of c. 18,000–10,000 BP).
Simplified: Züchner, based on his archaeological dating, is of the opinion that the red paintings are from the Gravettian period (c. 28,000–23,000 BP) and the black paintings are from the Early Magdalenian period (early part of c. 18,000–10,000 BP).