Nor' Loch was drained (creating land for today's Princes Street Gardens), and the Mound was constructed to provide a second, westerly access between the two settlements.
Before the Mound was built, there was no westerly access between the two settlements.
The Mound was built so they had access to one settlement but not the other one.
There is a zombie roaming the crowds.
People are sitting on step and fishing.
A boy is cutting the grass.
People are standing in line.
The man are sleeping while snuggling with their instruments.
If he is going to post tonight he will need it.