Artists impression 1 (IMAGE) Cardiff University Caption Reconstruction of the ritual sacrifice of a horse at Paprotki Kolonia, modern Poland. Credit Mirosław Kuzma. Usage Restrictions No restriction - as long as it's appropriately credited. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.