The harvest is over in the four wineries of the Domini Castellare di Castellina group. Alessandro Cellai, Chief oenologist and DCC CEO, explains how he won the challenge of a really hard season for the Italian viticulture, in the estates of Castellare di Castellina in Chianti, Rocca di Frassinello in Maremma, Feudi del Pisciotto and Gurra di Mare in Sicily.