Sinagapore's sweltering heat and humidity will take its toll on F1 drivers, regardless of how well prepared they may be.
While most downed a bottle or two of cold water to cool off after the overheated session, Sauber's Marcus Ericsson took a dip, clothed with his fireproof underwear, in a basin of chilled water!
A good old Swedish way of putting one's thoughts on ice for those who can't handle the heat...
