They're more than twice the height of Nelson's Column - they've come halfway round the world - and they signal the latest stage of work on a project which will create 12,000 jobs.
Three cranes, the biggest ever seen in Britain, arrived from China this morning at the London Gateway in Essex.Our Political Correspondent Simon Harris explains exactly why they are here.
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Crew members of the IchorCoal paid tribute to two sailors who died during the 11-month circumnavigation of the globe.