https://phys.org/news/2019-01-iceland-northern-beautiful-sight-risky.html > The remote region on the edge of the Arctic Circle is one of the best places in the world to spot the colorful phenomenon. > But police say many foreign visitors lack the experience and expertise to handle Iceland's wintry road conditions. They are increasingly worried about visitors scanning the sky for the Northern Lights and not looking at the road, which may be icy, twisty or narrow—or all three conditions at once.