So what else could we do but take a deep and possibly final breath, floor the throttle and hope the river didn't choose that moment to swallow the rest of the road? The oddest thing about the experience is that looking back over our ten-day, 2000-mile journey, it doesn't really stand out as a danger highlight. Driving a road car to Khardung La, the Himalayan mountain pass that claims to be the highest motorable road in the world at 5602m, or 18,380 feet, or 782ft higher than Everest base camp, or half the cruising altitude of a passenger jet, was never going to be easy, but we didn't foresee all the varied and inventive ways in which this trip would try to kill us…