Daily Overviewのインスタグラム(dailyoverview) - 3月2日 02時42分

Yellowstone National Park was established on this day in 1872! At the Grand Prismatic Spring, visitors can get a close-up view on a series of elevated boardwalks. The hot spring gets its vivid color from pigmented bacteria that grow around the edge of the mineral-rich water.

Source imagery: @digitalglobe

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