 Chupícuaro sites are mostly found on lake islands which can be seen as a sign of it having traits relating it to the later Tarascan cultural patterns.In the early Classical period, ballcourts and other artifacts demonstrate a Teotihuacan influence in the Michoacán region.In Michoacán there are over 45 known archaeological sites although only seven are open to the public, among these are Tzintzuntzan, Ihuatzio and Tingambato, which represent the rich Purépecha culture, although it is known that remains of previous cultures are hidden under the bases of these and other ceremonial centers.