Thousands of tonnes of fertiliser must be moved before rains threatens to destroy the cargo. A classic car dealer ships a load of vintage motors worth £2million. Documentary profiling the hidden army of workers responsible for keeping the world's cargo ships on the move 365 days a year.

In Rotterdam, two huge cubes are moved off a cargo vessel to a small barge. In Ipswich, 50 trucks are lifted, and in Portsmouth Second World War army tanks are transported.

A naval architect must move a £3 billion aircraft carrier from a dry dock. A heavy haulage expert faces a tight squeeze shifting 300 tonnes of steel cable under a low bridge.

The pressure is on to export three offshore wind towers to safeguard a Scottish town’s economic future. And, a 130-tonne locomotive is winched onto a narrow trailer.

In Teeside, 75,000 tonnes of coal from the US must be unloaded in just three days. And, a new £15-million yacht must be lifted to a cargo ship bound for Greece.

In Oxford, 280 Minis must be loaded onto a train in just six hours. They're bound for Southampton to be loaded onto ferries for export to China, Japan and the USA.

In Shoreham, 5000 tons of biomass are being shipped to power plants in Sweden. And in King's Lyn, the old power station receives a new gas turbine shipped in from Germany.

In Glasgow, a royal navy patrol vessel must be transported from the shipyard to the water. In Southampton, 600 tons of supplies must be loaded for export to the Channel Islands.