A simple trip to the park is a mission for the Keeler family.
Their oldest girls, Grace, 5, and Joy, 3, happily skip to the swings.
But mum Christina pushes the double buggy with two of their baby siblings tucked inside.
Dad Bill carries another baby in a car seat, with their littlest newborn in the crook of his arm.
That's right.
The Keelers have a happy brood of six.
Only, take a closer look and you'll see something
