How did they clear Istanbul Park so Quickly?

Question

I've just found out that the gp2 race is in istanbul park. i was wondering how the h**l the f1 guys (which i watched) managed to clear the track and the piitlanes so quickly as the f1 qualifying finished at 1:10ish and then gp2 started at 1.30!

Answer 1

They usually have more then one set of garrages and supoport areas. Some tracks even have a seperate pit lane.