That's actually heat stroke setting in. Yet they seem undaunted, perhaps because their entrant numbers have yet to sweat off.
AFP / Stringer / Getty
"See? If the marker can take it, so can we."
Sadly, the competition was suspended indefinitely in 2010, after the last two finalists passed out and had to be rushed to the hospital, where one of them died. According to tradition, he was awarded second place.