The human species reached the higher latitudes of Europe about 45,000 years ago
An extensive set of radiocarbon dates from both collections as well as ancient DNA analysis show that the Hlle excavation has a correlation with our layers 9–8. Baltic flint was the major material for most of the artefacts from layers 9 and 8. This raw material also occurs in a few artefacts from the 1932–1938 excavation.