Earth hour": Licht aus und nachdenken, bitte!! <center></center> <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;"><iframe style="width: 100%; height: 100%; position: absolute; left: 0px; top: 0px; overflow: hidden;" src="https://www.dailymotion.com/embed/video/x808et2?autoplay=1" width="100%" height="100%" frameborder="0" allowfullscreen="allowfullscreen"> </iframe></div>