A look back in pictures at the first half of the 2015 F1 season, which saw Lewis Hamilton claim five wins and finish on the podium in all-but one race to go into the summer break with a 21-point lead in the championship.

Enjoy...

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Australian GP: Lewis Hamilton kicks off the defence of his Formula 1 World Championship crown in comprehensive fashion with a comfortable win over Nico Rosberg
Malaysian GP: Sebastian Vettel takes Ferrari to its first F1 victory in 35 races after strategically out-foxing Mercedes' Lewis Hamilton and Nico Rosberg
Chinese GP: Lewis Hamilton shrugs off a late safety car to win in Shanghai and extend his F1 championship lead
Bahrain GP: An untroubled Lewis Hamilton makes it three wins from four
Spanish GP: Nico Rosberg strolls to his first win of the season, as Lewis Hamilton trails in a distant second
Monaco GP: Nico Rosberg takes an unexpected third consecutive Monaco Grand Prix victory after long-time leader Lewis Hamilton extraordinarily falls foul of a strategic error by Mercedes during a late safety car period
Canadian GP: Lewis Hamilton defies the race-long attentions of Nico Rosberg to clinch his fourth F1 win of the season
Austrian GP: Nico Rosberg gets the jump on Lewis Hamilton to claim a dominant Austrian Grand Prix win; Kimi Raikkonen and Fernando Alonso walk away from dramatic first lap crash
British GP: Lewis Hamilton fends off the surprise challenge from Williams and late showers to reward his home fans at Silverstone
Hungarian GP: Sebastian Vettel claims a stunning victory on a dramatic day that would see both Mercedes drivers involved in controversial collisions

Part 2 of our pictorial review of the F1 2015 season goes live tomorrow