Old Faithful, Yellowstone’s most famous geyser, erupts every 40 minutes or so. Permanent benches surround its perimeter, and are usually filled with tourists in the minutes prior to eruption. On this evening, however, a drizzle was falling, and a solitary child in a bright pink jacket gave us an incongruous audience of one. Old Faithful slowly gains its head of steam in the background and erupted a few moments after I made this image.