It is very important to note that we did not need to specify the full controller namespace when defining the controller route. We only defined the portion of the class name that comes after the AppHttpControllers namespace "root". By default, the RouteServiceProvider will load the routes.php file within a route group containing the root controller namespace.
If you choose to nest or organize your controllers using PHP namespaces deeper into the AppHttpControllers directory, simply use the specific class name relative to the AppHttpControllers root namespace. So, if your full controller class is AppHttpControllersPhotosAdminController, you would register a route like so: