When Seoul Turns Off ᐉ

The dimming of city lights during Earth Hour 2011 is revealed in this timelapse video from Seoul. Earth Hour is a global event organized by World Wide Fund for Nature and is held on the last Saturday of March annually, asking households and businesses to turn off their non-essential lights and other electrical appliances for one hour to raise awareness towards the need to take action on climate change. © Kwon O Chul