Cartão Postal Grand Prismatic Spring Geyser Art

A dramatic, retro-style travel poster illustration of Yellowstone National Park, focusing on the Grand Prismatic Spring or a geyser eruption. The image captures the vibrant, fiery colors of the mineral-rich pool, with a tall plume of white steam rising against a colorful sunset sky filled with pink, orange, and deep blue clouds. The text "Yellowstone National Park" is centered at the top.