At first it was feared the huge landslip may have buried a walker, cyclist or jogger out on the popular sea walk.
Among the monuments of this age discovered in the surrounding districts are the rock hewn tombs of Spata, accidentally revealed by a landslip in 1877, and the domed sepulchre at Menidi, near the ancient Acharnae, excavated by Lolling in 1879.
Upland calcareous grassland occurs on landslip material below the chalk cliffs; species include harebell, thyme, purging flax and early purple orchid.
The UK portal posed specific difficulties during construction as the tunnel passed through a major landslip at the base of Castle Hill.
They are preserved to a considerable height on all sides, except where the ravine is precipitous and they have been carried away by a landslip; they are for the most part built of irregular blocks of great size in the so-called " Cyclopian " style; but certain portions, notably that near the chief gate, are built in almost regular courses of squared stones; there are also some later repairs in polygonal masonry.