The movement of two sides of a digital pattern towards and apart from one another is synchronised with the opening and closing of automatic sliding doors. Images of the headlands of Australia’s Botany Bay and the adjoining South Pacific Ocean, Port Botany and Sydney International Airport runways, divide to disclose the forms of towering ship-to-shore cranes and stacked shipping containers. A sea-road-rail freight hub and transport interchange within an oceanic embayment, located 13 kilometres south of the Sydney central business district.