light and energy , the dark side of the world , satellite images . 光及能源 , 世界的黑夜的那面 , 衛星圖像.

Revealed: The stunning images which show how Europe wastes energy and pollutes light while Africa, South America and much of Asia is in darkness | Mail Online http://www.dailymail.co.uk/news/article-2170422/Revealed-The-stunning-images-Europe-wastes-energy-pollutes-light-Africa-South-America-Asia-darkness.html