Trekking into cold forests late at night is worth it when you get to see fantastic cars at full tilt
It's a wintry night and I'm perched on a Welsh mountaintop, about 500 metres above sea level, somewhere near Llanidloes. Darkness fell some time ago, and it took the last remnants of the day's limited warmth with it: the temperature has now dropped to the wrong side of zero. I walked a few miles to find this spot, trudging through the Cambrians t…