Minoan civilization is seen in Minoan handicrafts on the Greek mainland. The shaft graves of Mycenae had several Cretan imports (such as a bull's-head rhyton), which suggests a prominent role for Minoan symbolism. Connections between Egypt and Crete are prominent; Minoan ceramics are found in Egyptian cities, and the Minoans imported items (particularly papyrus) and architectural and artistic ideas from Egypt. Egyptian hieroglyphs might even have been models for Minoan pictographic writing, from which the Linear A and Linear B writing systems developed. Archaeologist Hermann Bengtson has also found a Minoan influence in Canaanite artifacts. Minoan palace sites were occupied by the
Minoan civilization is characterized by affluence (wealthy tombs, burials and art) and ubiquitous Knossian ceramic styles, by LM IIIB Knossos' wealth and importance as a regional center apparently declined. Significant remains have been found above the late Minoan I-era Thera ash layer, implying that the Thera eruption did not cause the immediate collapse of Minoan civilization. The Minoans were a sea power, however, and the Thera eruption probably caused significant economic hardship. Whether this was enough to trigger a Minoan downfall is debated. Mycenaean Greece conquered the Minoans during the late Minoan II period, and Mycenaean weaponry has been found in burials