create a bog-like, oxygen-free environment within the graves. This practice may have been stimulated by cultural influence from Egypt, as it coincided with the appearance of Egyptian artefacts in Scandinavia and the appearance of Baltic amber in Egypt (e.g. in the tomb of Tutankhamun). However, intentional mummification within oak coffin burials has also been noted in Britain at an earlier date (c. 2300 BC). The Late Bronze Age King's Grave of Seddin in northern Germany (9th century BC) has been described as a "Homeric burial" due to its close similarity to contemporary elite burials in Greece and Italy. Agriculture In the Nordic Bronze Age, both agriculture (including cultivation of wheat, millet, and barley) and animal husbandry (keeping of domesticated animals such as cattle, sheep and pigs) were practiced. Fishing and hunting were also sources of food, which included shellfish, deer, elk, and other wild animals. There is evidence that oxen were used as draught animals; domesticated dogs were common, but horses were rarer and probably status symbols. Metalwork Scandinavian Bronze Age sites present a rich and well-preserved legacy of bronze and gold 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 lost-wax casting method was used to produce artefacts such as the Trundholm Sun Chariot and the Langstrup belt plate. The archaeological legacy also encompasses locally crafted wool and wooden objects. During the 15th and 14th centuries BC, southern Scandinavia produced and deposited more elaborate bronzes in graves and hoards than any other region of Europe. As regards the number and density of metal deposits, the Nordic Bronze Age became the richest culture in Europe. More Bronze Age swords have also been found in Denmark than anywhere else in Europe. Uniform crucibles found at metal workshop sites further indicate the mass production of certain metal artefacts. Rock carvings The west coast of Sweden, namely Bohuslän, has the largest concentration of Bronze Age rock carvings in Scandinavia; and Scandinavia has the largest number of Bronze Age rock carvings in Europe. The west coast of Sweden is home to around 1,500 recorded rock engraving sites, with more being discovered every year. When the rock carvings were made, the area was the coastline; but it is now 25 meters above sea level. The engravings in the region depict everyday