Hiking the Raabklamm and Discovering Graz — a UNESCO World Heritage Site Thisvideo clip was taken on August 1, 2007 during my trip to Austria, my home country. I started my day off with a quick hike with two of my friends through the Raabklamm (Raab Gorge), a deep river valley that is cut into the surrounding limestone cliffs and features numerous wooden bridges and trails that snake through the narrow valley. Then I had a lovely Austrian lunch at a rural restaurant and made friends with …