Complex sentence: The cauldron had been dismantled and deposited in a dry section of the Raevemose peat bog, where it was found in 1891 as an ensemble of 13 plates: one round plate, five long rectangular and seven shorter rectangular ones (with an eighth one missing).
Split into simpler sentences: The cauldron had been dismantled and deposited in a dry section of the Raevemose peat bog. Originally, it was put on dry land as an offering and not buried.It was found in 1891 as an ensemble of 13 plates: one round plate, five long rectangular and seven shorter rectangular ones (with an eighth one missing).