India, April 4 -- Forget Formula 1, the most intense race in the world is happening at 5 km per hour, and it's coming to a cubicle near you. Welcome to the Isu-1 Grand Prix, Japan's wildest contribution to endurance sports. The rules are simple: three teammates, one standard office chair, and two hours of backwards-kicking madness. The current season of the race is underway and pictures from it are doing the rounds. Here's a dekko...