cargo cargo-containers commercial-terminal container-handling-port container-ship container-terminal container-trade container-transport containers cranage cranes docking-facilities handling-equipment harbor harbour marine maritime port port-cranes port-service sailing shipping storage transport transportation transshipment 2015 business coast line docks Hong Kong trade water background blue buoy calm commercial-shipping container-vessel distance distant foreground fully-laden hazy horizon island lighthouse ocean sea ship shipping-lane stacked stacks swimmer transhipment water-transportation wind-farm wind-power