1 (12-ounce) can frozen orange juice concentrate, thawed
1/2 cup Campari
2 cups sparkling mineral water
6 orange peel twists
Stir the orange juice concentrate and Campari in a pitcher to blend. Stir in the sparkling water. Fill 6 tall glasses with ice. Pour the Campari mixture over. Garnish with the orange peel twists and serve.