Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Chris Wattie

Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Chris Wattie

Williams driver Valtteri Bottas celebrates his third place finish in the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Chris Wattie

Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Christinne Muschi

Mercedes driver Lewis Hamilton passes the checkered flag to win the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Paul Chiasson/Pool 

Mercedes driver Lewis Hamilton takes a pit stop during the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Paul Chiasson/Pool 

Mercedes driver Lewis Hamilton (2nd R) pours champagne after winning the Canadian F1 Grand Prix ahead of team mate Nico Rosberg and Williams driver Valtteri Bottas (L) at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Chris Wattie TPX IMAGES OF THE DAY 

Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix ahead of team mate Nico Rosberg (L) at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Christinne Muschi

Mercedes driver Lewis Hamilton poses for a selfie photograph with actor Michael Douglas (L) before the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Paul Chiasson/Pool 

Lotus Formula One team mates Romain Grosjean of France (R) and Pastor Maldonado of Venezuela pull out of pit-lane together during the qualifying session of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 6, 2015. REUTERS/Christinne Muschi 

Ferrari Formula One driver Sebastian Vettel of Germany drives his car during the qualifying session of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 6, 2015. REUTERS/Christinne Muschi 

Mercedes driver Lewis Hamilton reacts after winning the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 7, 2015. Formula One world champion Lewis Hamilton won the Canadian Grand Prix on Sunday in a Mercedes one-two with title rival Nico Rosberg.The Briton's fourth victory in seven races this season, and fourth career win in Canada, stretched his lead over Rosberg to 17 points and denied the German a third win in a row. REUTERS/Christinne Muschi

Formula One supremo Bernie Ecclestone walks in the Mercedes team garage during the third practice session of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 6, 2015. REUTERS/Chris Wattie 

Mercedes Formula One driver Nico Rosberg of Germany (R) passes teammate Lewis Hamilton of Britain as he spins out in the hairpin during the first practice session of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 5, 2015. REUTERS/Christinne Muschi

Mercedes Formula One driver Lewis Hamilton of Britain drives from his garage during the first practice session of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 5, 2015. REUTERS/Chris Wattie 

Mercedes Formula One driver Lewis Hamilton (R) of Britain poses with teammate Nico Rosberg of Germany after qualifying for pole position ahead of the Canadian F1 Grand Prix at the Circuit Gilles Villeneuve in Montreal June 6, 2015. REUTERS/Chris Wattie TPX IMAGES OF THE DAY