The tidal barrier which will protect thousands of homes and businesses from the risk of flooding.
Work on the 38 million pound project in Ipswich started today and it is due to open in 2016.
The council says it will secure the future of the town, and encourage economic growth.
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Norfolk Police have released the following statement warning of limited access to areas surrounding Carrow Road in Norwich on Sunday
The Stevenage built LISA Pathfinder Science Module is ready for transportation to Munich for final testing before launch in September.
There'll be plenty of sunshine during the rest of today but, unfortunately, the unsettled weather returns this weekend.