THE TWO GREAT SCULPTORS. 
I2 3 
under the cliff and so making a cavity, and then as 
the waves roll these pieces over and over and grind 
them against the sides, the hole is made larger. There 
are many places on the English coast where large 
pieces of the road are destroyed by the crumbling 
FIG. 30. Cliffs off Arbroath, showing the waste of the shore. 
down of cliffs when they have been undermined by 
caverns such as these. 
Thus, you see, the whole of the beautiful scenery of 
the sea the shores, the steep cliffs, the quiet bays, the 
creeks and caverns are all the work of the " sculptor " 
water ; and he works best where the rocks are hardest, 
for there they offer him a good stout wall to batter, 
whereas in places where the ground is soft it washes 
down into a gradual gentle slope, and so the waves 
