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Image 270006: Smile, the air is fresh and pure

Smile, the air is fresh and pure
Image ID: 270006   |   Image Type: JPEG Photograph
Image Description: A young laughing boy looking through the bough of a tree covered in lichens. Lichens serve as indicators of air pollution. In places of heavy pollution, few to no lichens are found. Lichen populations increase gradually with distance from these polluted places and are used in ecological studies as a measure of pollution intensity. Lichens are therefore excellent bioindicators and biomonitors
Camera Data: Canon EOS 300D DIGITAL

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s 533x800px JPEG $4
m 1183x1774px JPEG $6
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EPS or Ai format. Scalable to any size. Requires vector editing software such as Adobe Illustrator, CorelDRAW or Inkscape.
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M 10.0 x 15.0 cm 3.9 x 5.9"
L 14.2 x 21.2 cm 5.6 x 8.4"
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lovleah
Australia Country

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