This is the second-largest complex of the classic Middle Mississippian era, after Cahokia in present-day Illinois, which was the center of the culture.
ðɪs ɪz ðə sˈɛkəndlˈɑːɹdʒɪst kˈɑːmplɛks ʌvðə klˈæsɪk mˈɪdəl mˌɪsɪsˈɪpiən ˈiəɹə, ˈæftɚ kæhˈoʊkiə ɪn pɹˈɛzəntdˈeɪ ˌɪlənˈɔɪ, wˌɪtʃ wʌzðə sˈɛntɚɹ ʌvðə kˈʌltʃɚ.