An escape starts to form at the foot of the Col des Mosses - putting team Sky under pressure again...
escape
Guillaume Levarlet leads an escape up the Col des Mosses - and this is the one that's getting away..!
Summertime, summertime - but there's still a hint of winter as the peloton crosses the Col des Mosses...
skyscenery
Lavarlet and Ignatenko are pushing the escape into a mighty headwind - so their gain is just over two minutes...
This is how Mark Cavendish looks when he's taking his turn into a gale-force headwind estimated to be 60-kilometres-per-hour..!
skywind
Tschopp, Lavarlet and Ignatenko have pulled away on the climb to Veysonnaz...
Sky leads the small peloton up to Veysonnaz with spectacular views down to the valley that they'll never enjoy...
Peter Stetina starts a new escape just before the summit...
garmin
Laurens Ten Dam has made it four men away now...
Bradley Wiggins leads his own chase, with Porte and Kreuziger close-by...
sky
Mikel Landa is the first to attack on the final ascent...
Porte might be earning a Tour de France place by pacing Wiggins up the long ascent...
skywork
Is cadel Evans going to attack now, or wait for tomorrow's difficult TT..?
bmc
Landa is about to get caught by John Gadret...
euskatel
Gadret goes to work in the final climbing kilometres - and he's being joined by Nocentini...
ag2r
Roman Kreuziger is coming across as well - but they'll all be caught on the descent to Sion...
astana
Luis Leon Sanchez wins stage four into Sion - and so easily..!
rabobank
Luis Leon Sanchez now leads the race by nine-seconds over Bradley Wiggins...