What is the second Greece civilization?

The Minoan civ. The first was the Cycladic followed by the Minoan and then by the Mycenean. The Minoan civ flourished from approximately 3000 BC to 1500 BC in the island of Crete. It was one of the most peacefull civs ever, their main occupation was naval trade, and they had great architecture. They used inhouse plumming and ''polithira'' (πολύθηρα-multidoors) something like a series of stone revolving doors instead of a wall to provide light and space.