 A good example is Butser Ancient Farm in the English county of Hampshire which is a working replica of an Iron Age farmstead where long-term experiments in prehistoric agriculture, animal husbandry, and manufacturing are held to test ideas posited by archaeologists.In Denmark, the Lejre Experimental Centre carries out even more ambitious work on such diverse topics as artificial Bronze Age and Iron Age burials, prehistoric science and stone tool manufacture in the absence of flint.Other examples include