Being a Formula 1 driver requires an intense physical fitness regime to ensure you have the strength and the endurance to stay at the fastest level lap after lap.
But what were Mercedes drivers George Russell and Lewis Hamilton thinking as they shared a cooling bath together last season?
Can you come up with the best caption for this picture? Post your funniest suggestion in the comments below.
A selection of the best will feature in a future edition of the RaceFans Round-up.