Our latest Formula 1 2018 feature on the Formula 1 2018 Rolex Australian Grand Prix.br br Pre-season testing begins next week in Barcelona, all 10 squads bringing their 2018 steeds to the Circuit de Catalunya for bulletproofing: 2018’s 21 rounds the equal longest calendar in history.br br But over in Melbourne - preparations are ongoing, for the annual season- opening Formula 1 Australian Grand Prix, on March 25, and, as with any host nation, it’s a massive source of pride. Watch the video, and tell us what you think in the comments…br br Subscribe to The Inside Line Channel for the latest clips:br br Visit our official site for all the latest Formula One news:br br Follow @TheInsideLineHQ on Facebook, Twitter and Instagram..