ɐ sˈɪɹiz ʌv pˈɪlbɑːksᵻz ænd ˈʌðɚ dᵻfˈɛnsᵻz wɜːɹ ɪn plˈeɪs, ɔːlðˈoʊ mˈoʊst əv ðiːz hæv sˈɪns bˌɪn lˈɔst tə kˈoʊstəl ɪɹˈoʊʒən.
A series of pillboxes and other defences were in place, although most of these have since been lost to coastal erosion.