Nordic Bronze Age objects. These valuable metals were all imported, primarily from Central Europe, but they were often crafted locally and the craftsmanship and metallurgy of the Nordic Bronze Age was of a high standard. The archaeological legacy also comprise locally of crafted wool and wooden objects and there are many tumuli and rock carving sites from this period, but no written language existed in the Nordic countries during the Bronze Age. The rock carvings have been dated through comparison with depicted artifacts, for example bronze axes and swords. There are also numerous Nordic Stone Age rock carvings, those of northern Scandinavia mostly
Prehistoric Wales 2100-1400 BC) is thought to have been warmer than at present, as there are many remains from this period in what are now bleak uplands. Much of the copper for the production of bronze probably came from the copper mine on the Great Orme, where prehistoric mining on a very large scale dates largely from the middle Bronze Age. In particular copper from the Great Orme mines appears to have been used for the production of bronze implements of the Acton Park Complex, named after a hoard found at Acton Park near Wrexham. These tools, particularly axeheads, were developed towards