This is because of the large amount of land reclamation that means these coastal fortifications are now inland.
The park contains the remains of two coastal fortifications and was an ideal place to shoot the video.
Although most coastal fortifications are on the coast, not all are.
It was later relocated to fit in with coastal fortifications.
During the Second World War, there was an air base and coastal fortifications on the island.
During and after that war the term "mine planter" became particularly associated with defensive coastal fortifications.
It was one of the largest and most heavily armed coastal fortifications ever built.
They were also the first English coastal fortifications in the New World.
Over 140 Rodman guns survive today and they may be seen at coastal fortifications around the country.
In 1838 plans were drawn up for a more elaborate network of coastal fortifications.