There is the earthwork .
Earthwork is faced and built up with solid masonry : granite blocks of all sizes , some huge , some quite small , and topping this construction is the hedge , which in some cases has grown into big trees .
There is the earthwork , but it is faced and built up with solid masonry : granite blocks of all sizes , some huge , some quite small , and topping this construction is the hedge , which in some cases has grown into big trees .