The Neolithic sanctuary was discovered in Ordona in 2009. The remains found in some hypogea were dates to the mid V Millennium BC.
See:
- Elio Antonello, Vito Francesco Polcaro, Anna Maria Tunzi, M. Lo Zupone: Prehistoric sanctuaries in Daunia, BAR international series; 2794;2010, pp. 37-42; European Society for Astronomy in culture2010 [https://www.researchgate.net/publication/241689223]
- idem: Astronomical orientations in sanctuaries of Daunia, 2013