Sangria with watermelon and fresh mint

Additional requirements: Can 1.8 liters.

Pour the red wine in a jug with the orange liqueur and stir well.

Cut the watermelon into cubes.

Cut the scrubbed orange into slices and cut the slices into quarters.

Stir in the watermelon cubes and orange slices with a handful of fresh mint leaves through the wine and fill with carbonated mineral water.

Let the sangria in the refrigerator in 2 hours through and through cold.