Cranberry Punch

1 ½ liters cranberry-apple juice

1 liter ginger ale

2 limes, thinly sliced

6 sprigs fresh mint

6 cups ice

Half-fill 6 tall glasses with ice. Fill to about three quarters with cranberry-apple juice. Pour ginger ale evenly into the glasses. Stir gently. Decorate with lime and mint sprigs.