While much of the growth in air freight can be attributed to integrators and airlines, airports are also reaching out to other airport operators.

Any road or railway linking Mandalay with China will have to pass through Shan, above, and Kachin States, both areas where there are armed conflicts.

Shipping lines are still very much in flux when it comes to meeting upcoming requirements for burning low sulphur fuel.

With around 2,000 container train services each week, Hamburg is Europe's largest port.