Visitors at Cistern Spring, Norris Geyser Basin, Yellowstone UNESCO World Heritage Site, Wyoming, United States of America, North America

Cistern Spring, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Cisterne of Habbaba, Yemen

Cistern Spring Geyser, Back Basin, Norris Geyser Basin, geysers, geothermal springs in Yellowstone National Park, Wyoming, United States of America, USAational Park, National Park, Wyoming, United States of America, USA