Minoan civilization especially the sequence of ceramic styles, have been used by archaeologists to define the three phases of Minoan culture (EM, MM, LM). Since wood and textiles have decomposed, the best-preserved (and most instructive) surviving examples of Minoan art are its pottery, palace architecture (with frescos which include landscapes), stone carvings and intricately-carved seal stones. Frescoes were the primary art form of Minoan culture. They include many depictions of people, with sexes distinguished by color; the men's skin is reddish-brown, and the women's white. Several frescoes at Knossos and Santorini survive. In contrast to Egyptian frescoes, Crete had true frescoes. Probably
Minoan religion Mochlos cemetery, for example, would have served the inhabitants of that island who settled in the south of the area. The cemetery itself has been interpreted to indicate a visible hierarchy, perhaps indicating social differentiation within the local population; larger, monumental tombs for the 'èlite', and smaller tombs, including some early "Pithoi" burials, for the larger part of the population. The German geologist Hans Georg Wunderlich argued that the Palace of Knossos itself was a mortuary temple. This interpretation is strongly rejected by mainstream archaeology. Walter Burkert warns, "To what extent one can and must differentiate between Minoan and Mycenaean