Was early China and Imperial Rome obsessed with the fence? It is a good thing our local black aluminium fencing was not around unknown in those days.


Post card from 'Imperial Britannia': Walltown  Northumberland. Reconstruction of Roman Wall at Walltown.
Believe this is Hadrian's Wall, built by the Romans, across the width of northern England, and, believe, one end can be seen in Newcastle Upon Tyne. More views of the remaining wall can be seen, for instance, along the crags of the great Whin Sill (interesting new words) 
.From the drawing by Alan Sorrell. Dept of the Environment. HMSO.