▁up ▁the ▁rest ▁of ▁the ▁bl end . ▁If ▁the ▁wine ▁is ▁aged ▁for ▁at ▁least ▁ 3 ▁years ▁prior ▁to ▁release , ▁the ▁wine ▁can ▁qual ify ▁for ▁a ▁R iser va ▁design ation . ▁A ▁separate ▁DO C , ▁known ▁as ▁Bar co ▁Re ale ▁was ▁established ▁for ▁younger ▁or ▁" de class ified " ▁Car m ign ano ▁DO CG ▁w ines . ▁The ▁Car m ign ano ▁DO C ▁still ▁exists ▁but ▁is ▁now ▁used ▁for ▁Vin ▁Santo ▁and ▁ros ato ▁w ines . ▁One ▁unique ▁Car m ign ano ▁DO C ▁wine ▁is ▁a ▁ros é ▁Vin ▁Santo ▁known ▁as ▁O c chio ▁di ▁P ern ice ▁( or ▁" ey e ▁of ▁the ▁part ridge ") ▁similar ▁to ▁the ▁French ▁O eil ▁de ▁P erd rix . ▁ ▁Vit icult ure ▁The ▁Car m ign ano ▁region , ▁located ▁ 1 0 ▁miles ▁( 1 6   km ) ▁north west ▁of ▁Florence , ▁is ▁located ▁on ▁a ▁series ▁of ▁low ▁lying ▁hills ▁at ▁alt itudes ▁between ▁ 1 6 0 – 6 5 0 ▁feet ▁( 5 0 – 2 0 0 ▁meters ) ▁above ▁sea ▁level . ▁ ▁Win em aking ▁and ▁styles ▁The ▁low ▁alt itude ▁of ▁the ▁region ▁produces ▁Sang i ov ese - based ▁w ines ▁with ▁lower ▁acid ity ▁and ▁more ▁pron ounced ▁t ann ins ▁than ▁those ▁associated ▁with ▁other ▁T us can ▁wine ▁regions ▁such ▁as ▁Chi anti ▁Class ico . ▁In ▁the ▁late ▁ 2 0 th ▁century