Open day at excavation site attracted many tourists as archaeologists presented an unburied structure of a early Iron Age burial mound. The site is located in Bukwałd in North Poland. The site was known since late 1870s when a railroad line connecting cities Olsztyn with Braniewo was constructed.
The burial contained cremation urns that were deposited under the mound after burning the body of the deceased and collecting the remains into the vessel. The excavations unearthed the stone coat covering the mound and a burial chamber underneath it. The excavated mound is believed to be the largest found in the region, measuring 20 metres in diameter.