The result was a poignant one on paper: as he started the weekend where he would celebrate the 20th anniversary of his remarkable Formula 1 debut at Spa in 1991, Michael Schumacher was quickest in opening practice for this year's Belgian Grand Prix.
Schumacher started his anniversary weekend on top © LAT
But the timing screens were more than a little deceptive, for Schumacher and team-mate Nico Rosberg were the only men who managed any flying laps on slick tyres before the characteristic Spa rain arrived.
A long period of silence then followed before the field decided it was definitely worthwhile getting some wet running. Jenson Button finally set the fastest intermediate tyre time in the closing minutes, eight seconds down on the Mercedes' dry pace.