I visited this WHS in August 2012. This huge gothic cathedral could be seen from kilometres away as arrived by car from Paris. The first thing to come to mind was "What on earth is such a huge cathedral doing here in the middle of nowhere?". You can imagine how awestruck the local people must have felt in front of such a building in the Medieval times. I found the central labyrinth and the original stained glass to be very interesting and unique but the rest of the interior was being restored and pretty similar to any other gothic cathedral I've visited.