Under Fire

Mark Thiessen

National Geographic Magazine

Using terrain as a tool, a firefighter shoots flares onto a hillside, hoping to create a chimneylike effect: As heat from this fire rises, it should draw flames upslope, away from unburned forest below. But fire doesn't always cooperate.

Mark Thiessen, "Under Fire," in POYi Archive, Item #42428, http://archive.poy.org/items/show/42428 (accessed June 21, 2025).