yes i was thinking in a hall way, i forgot the description:
the squares can be like pillars(greek style hall), or statues of great enki warriors/mages from the past, the larger tree could be a fruit tree and the smaller could be like tall cedar trees. could also add something like a arch at the begining of the hall.
edit: new illustration =p added the side view for trees and path way.

edit 2: maybe add a npc there, to welcome visitors that visit ojaveda, he could explain were the places are for visitors, he could be a enki gate guard, and from time to time he would ask for help to control monster invasions that could come from the wilderness.
edit 3: also it could be there alternatively 1 or 2 gardners ocasionally catching bad weeds and fruits =) or a alchemist catching roots, fruits or any stuff a alchemist may need.