the weather.
No Moutain Weather ? Ok, May. But for example, today it's snowing in the south of the France, ok it's not each year. But the stages 19 & 20 can have a moutain weather I think.
![Wink ;)](./images/smilies/icon_e_wink.gif)
edit : about the stage of l'Aquila : 157' ... erf, really long, a boring day I think.