Picture 4 in the series.
To the left is the end of the Sandbanks peninsula, with the chain ferrry clearly visible.
This is described as
"WELCOME to the BOURNEMOUTH-SWANAGE MOTOR ROAD AND FERRY COMPANY website.
The company operates the "Bramble Bush Bay" chain ferry that crosses the entrance to Poole Harbour between Sandbanks and Shell Bay.
The shortest route connecting BOURNEMOUTH and POOLE with SWANAGE.
Saving over 25 miles on a return journey from Poole to Swanage."
on the website http://www.sandbanksferry.co.uk/
Above the chain ferry to the right are Old Harry Rocks, described as follows
Extract from Wikipedia