Its not all flat smooth paths and roads. At times you have to climb up quite a long way, or take switch back roads up a cliff. I remember reading reports by people who hired bikes complaining that the entire journey is up hill, around a lake, finishing where you started.
Camera Details: SONY, DSC-RX100 Settings: 1/20 at f/8, ISO 3200, 10 mm Date: 26 March 2017 Time: 10:52:50