National Geographic Creativeさんのインスタグラム写真 - (National Geographic CreativeInstagram)「Photo by Matthieu Paley @paleyphoto / After a forest fire, smoldering spots are identified one by one and the thick layer of humus that covers the forest floor is extinguished. Using powerful hoses, firefighters douse the ground with a mix of water and wetting agent, a chemical substance that increases the spreading and penetrating properties of water by lowering its surface tension. Near Bordeaux, France. This is part of an ongoing global story for National Geographic magazine on the issue of Air Pollution. For more on environmental issues worldwide, follow @paleyphoto #water #airpollution #forestfire #firefighters」9月25日 18時53分