'Dr Cool': meet the engineer trying to keep Qatar air-conditioned

• Saud Abdul Ghani's technology keeps stadiums cool• Qatar hosting 2022 World Cup and world athletics It has been impossible to walk anywhere outdoors in Qatar this week without the body breaking into a fevered sweat in the 100F heat with 80% humidity. But at the new Al Janoub Stadium, the world's first purpose-built air conditioned football ground, it was a pleasant 70F in the stands and on the pitch, even at the hottest point of the day. Watching the bemused looks from English journalists ...