First, prepare the simple syrup, add sugar and water into a small saucepan and put it on low heat, stir until sugar dissolves, simmer for 1-2 minutes, then cool it down.
Cut well-washed oranges and lemons into thin, round slices, place them in the desired glass decanter, add mint leaves, and pour orange juice, simple syrup and wine. Stir well and refrigerate for at least 6 hours.Bon Appetit!