Dionysus is the Greek god of winemaking, grape harvests, ritual madness and religious ecstasy. The document discusses the importance of vines and wine in Greek culture from ancient times. It describes how vines are cultivated, the grapes pressed into wine in various colors, and how wine brings pleasure. Wine is seen as a divine gift from the gods and as a symbol of Christ's blood. The document concludes by mentioning the Erasmus+ team visiting a winery.