First time I've watched a 360 degree video, crazy (link is about halfway down the page)

http://www.spiegel.de/international/world/four-volcanoes-erupting-concurrently-on-kamchatka-peninsula-a-880777.html

That is amazing. I didn't realize the first time that I could change the viewpoint with my mouse. After I watched it the second time and moved the camera around I understood what is so cool about it.