The beehives were dated by carbon-14 radiocarbon dating at the University of Groningen in the Netherlands, using organic material (wheat found next to the beehives).
Sarang lebah ditentukan tarikhnya melalui penanggalan karbon-14 radiokarbon di Universitas Groningen di Belanda, menggunakan bahan organik (gandum yang ditemukan di samping sarang lebah).