The champion Italian MotoGP rider Andrea Dovizioso (R) of Ducati, the third place Italian MotoGP rider Valentino Rossi (C) of Movistar Yamaha and the second place Spanish MotoGP rider Marc Marquez of Repsol Honda Team celebrate on the podium after the 2018 MotoGP Grand Prix of Qatar at the Losail International Circuit in Doha, capital of Qatar, on March 18, 2018. (Xinhua/Nikku)