Stock Photo: The Gundestrup cauldron. Decorated silver vessel, thought to date between 200 BC and 300 AD, placing it within the late La Te_ne period or early Roman Iron Age. Gundestrup in the Aars parish of Himmerland, Denmark. Ritual sacrifice of three bulls by three men with a sword. Each bull has a dog at its feet and another above its back. National Museum of Denmark.