Garden entrances are not just a sign that tells you where to enter, they can also symbolize passages or gateways from one state of mind to another. This Japanese Torii symbolizes leaving the outer mundane world and transitioning to the inner world having a more spiritual realm.
This covered walkway functionally provides shade and canopy with the use of the wooden beams and vines. It too is a passageway that connects different spaces together, so the intent is to create a feeling while walking through this pergola. The narrowness gives it an intimate feeling and the length creates and a focal point to create interest of what is down at the end providing curiosity.