A close-up of a volcanically heated pool in Geyser Basin, Yellowstone National Park, Wyoming, USA. The green colour is due to acid tolerant organisms that are also thermophiles (heat-tolerant). The orange colour is due to iron oxide salts evaporated from the water.

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Creative#:

TOP30169626

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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No

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