Guest director, Michael Rosen, will be in conversation with journalist Polly Toynbee about his role in this year's event.
It's also expected that the entire programme of events will be revealed in advance for the first time.
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Wednesday morning's weather for the west of the region
Wednesday morning's weather for the east of the region
The Transport Select Committee says the government needs to demonstrate that a lorry park will be the best solution for Operation Stack.