More hydrothermal areas.

Yellowstone NPhot springsGrand Prismatic

Outflow area from Grand Prismatic, at sunrise.

Grand Prismatichot springsYellowstone National Park

Outflow from hot springs with a long exposure.

Yellowstone NPhot springslong exposure

Grand Prismatic Spring, Yellowstone.

Yellowstone NPGrand Prismatic hot springs

Grand Prismatic Spring, Yellowstone

Yellowstone NPGrand Prismatic hot springs

Grand Prismatic Hot Springs

Outflow from Grand Prismatic Hot Springs, Yellowstone NP.

Yellowstone NPGrand Prismatic hot springs