sentences:  In the late 19th century, while a pit was being dug for a new building on Matzenberg, workers stumbled on some potsherds, likely from an urn buried more than 2,000 years earlier by the dale's Celtic inhabitants.Further ceramic vessels – grave goods – were found in recent times while a house was being built on Am Äckerchen (a street).These witnesses to early settlers in the dale have also been joined by further potsherds from Roman times, which were unearthed in the 1950s when the Rothengründerhof was being built.