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.
More top news
Police in Greenwich are trying to identify a man after an assault on an elderly woman in Plumstead.
Relatives of those killed in the Hyde Park attack 35 years ago marched in central London to bring an accused bomber to justice.
A new system will allow authorities to track private drones as research finds the heavier flying gadgets could smash plane windscreens.