Piotr Włodarczak from the Institute of Archeology and Ethnology of the Polish Academy of Sciences said the remains of the men, which are significantly taller than earlier finds, most likely belonged to people who arrived from the steppes of southern Russia or Ukraine.
The grim discovery was made after builders stumbled upon human remains during work at the site in Mikołajki in the Warmian-Maurian Voivodeship.
The grim discovery thought to date back to the Bronze Age was made in the village of Tuchola Żarska after local schoolchildren began digging around with a bucket and spade.
The 75 victims buried today, which include three infants, were discovered during archaeological work carried out earlier this year by a special section of Poland’s Institute of National Remembrance.
The oldest human remains in Poland are over 100,000 years old. They are bones from a hand belonging to a young Neanderthal child, which were digested by a large bird. The remains were found in Jaskinia Ciemna (cave), in southern Poland.