RMB6KF12–Opal-Pool, Midway Geyser Basin, Yellowstone-Nationalpark; Wyoming; USA

RFJ1CBXD–Opal Pool, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA

RMB5ERAG–Opal-Pool, Midway Geyser Basin, Yellowstone-Nationalpark

RMTWFWTE–Panorama der Opal-Pool, in der Nähe von Grand Prismatic Spring, in der Midway Geyser Basin,

RFJ1CBXC–Opal Pool, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA

RFCTAT9A–Opal-Pool, Midway Geyser Basin, Yellowstone-Nationalpark

RFED0C1H–USA, Wyoming, Yellowstone-Nationalpark, Opal-Pool im Midway Geyser Basin

RFJ1CBXE–Opal Pool, Midway Geyser Basin, Yellowstone-Nationalpark, Wyoming, USA

RMTWFWY1–Gezoomte Bild von Opal Pool, in der Nähe von Grand Prismatic Spring, in der Midway Geyser Basin,

RMBBK3G2–Opal-Pool im Midway Geyser Basin im Yellowstone National Park

RMD18NXJ–Midway Geyser Basin-Opal Pool, Yellowstone-Nationalpark, Wyoming, USA

RFJGTEW2–Opal-Pool ist eine heiße Quelle im Midway Geyser Basin des Yellowstone National Park, Wyoming