Our headset crackles as the first radio message heralds the start of activity. "30 seconds", a voice on the other end says, before the start of the practice session is accompanied by "Cars on track". It's Friday afternoon in the Formula 1 Singapore Grand Prix, and we are standing on the outside at Turn 5 as cars start streaming by.
"We" means ourselves and over a dozen officials donning orange overalls. These marshals are the lifeblood of motor racing, volunteers without whom not a single grand prix on the F1 calendar could take place.
