A benefit of street walks, apart from the exercise, is your botanical knowledge is expanded by identifying the vast numbers of flora seen. A good example is the number of different varieties of the same species. A good example is the salvia species.
This is a busy street in a well-established area. Many properties have high front fences and well-established gardens, many with mature trees. Consequently, many trees overhang the footpath. A very productive lemon tree was one, as was a pittosporum tree.