If you want to get a blast of refreshing sea air while out for a stroll this spring, we know where you should go ...

But under a £16 million strategy drawn up by the Environment Agency, parts of the coastline could be left to flood, allowing new salt marshes ... cut off from the UK coast for good.

It is fed by the movement of material from the erosion of the Holderness Coast to the north. This is an area of weak boulder clay. Salt marshes may be formed behind a spit. The zone behind a spit ...