[{SlideShowNav}] !!!Volcanic dike in Thingvellir National Park [{Image src='140ic.jpg' width='800' alt='Volcanic dike in Thingvellir National Park' class='image_left' height='532'}] [{SET customtitle='Volcanic dike in Thingvellir National Park'}] \\ Downchannel from the volcanic dike in Thingvellir National Park.