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The first freight train has arrived in the UK, taking two weeks of travel.

Andrew Grantham, News Editor for Railway Gazette International:

"It's a very complicated procedure.

"While the train takes half the time, it is significantly more expensive than a ship. Equally it is much cheaper than air freight - rail has to find a niche market, it's carrying things such as electronic goods.

"There is a growing market between China and Europe by train. The system is running and traffic is growoing. Annual traffic could reach 100,000 containers between China and Europe by 2020."