Movistar's Nairo Quintana of Colombia crosses the finish line to win the 16th stage of the Giro d'Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. Nairo Quintana moved into the overall lead in the Giro d'Italia after winning a tough and controversial stage, in difficult weather conditions across the legendary Gavia and Stelvio climbs. (AP Photo/Gian Mattia D'Alberto)
The pack pedals during the 16th stage of the Giro D 'Italia cycling race from Ponte di Legno to Val Martello, Italy, Thuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
The pack pedals during the 16th stage of the Giro D'Italia cycling race from Ponte di Legno to Val Martello, Italy, Thuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
Cyclists pedal under a heavy snofall during the 16th stage of the Giro d' Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
The pack pedals during the 16th stage of the Giro d' Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
Colombia's Rigoberto Uran pedals during the 16th stage of the Giro d'Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. Colombia's Nairo Quintana moved into the overall lead in the Giro d'Italia after winning a tough and controversial stage, in difficult weather conditions across the legendary Gavia and Stelvio climbs, as his fellow countryman Uran was over four minutes late on finish. (AP Photo/Fabio Ferrari)
Colombia's Rigoberto Uran, wearing the pink jersey of leader of the race, crosses the finish line of the 16th stage of the Giro d'Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. Colombia's Nairo Quintana moved into the overall lead in the Giro d'Italia after winning a tough and controversial stage, in difficult weather conditions across the legendary Gavia and Stelvio climbs, as his fellow countryman Uran was over four minutes late on finish. (AP Photo/Gian Mattia D'Alberto) (AP2014)
The pack pedals during the 16th stage of the Giro D'Italia cycling race from Ponte di Legno to Val Martello, Italy, Thuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
Cyclists pedal during the 16th stage of the Giro d' Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. (AP Photo/Fabio Ferrari)
The pack pedals during the 16th stage of the Giro d' Italia cycling race from Ponte di Legno to Val Martello, Italy, Tuesday, May 27, 2014. (AP Photo/Fabio Ferrari)