
The volcanic feature known as Belgian Pool in Geyser Basin, Yellowstone National Park, Wyoming, USA. The orange colour is due to iron oxide salts evaporated from the water. The green colour often observed in pools in Yellowstone is due to acid tolerant organisms that are also thermophiles (heat-tolerant).
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Creative#:
TOP30169620
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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No
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