Lewis Hamilton (pictured) and Charles Leclerc ran the new Ferrari at Fiorano in Italy on Friday before it was flown to Barcelona
Formula 1's brave new world starts this week, when 10 of the 11 teams take part in a private test at Spain's Circuit de Barcelona-Catalunya.
It is the first of three tests that will be held before the start of the season at the Australian Grand Prix in Melbourne on 6-8 March.
The fact that there are three times as many test days as before last season is a reflection of the size of the change the sport is undertaking this season.
Literally everything about the cars is new - chassis, engines, tyres and fuel make for the biggest regulation change the sport has ever seen.
