Vertical Profile of Air Pollutants (IMAGE)
Caption
Photos taken at (a) the ground level (up), and (b) 280 m (down) on the Beijing 325 m Meteorological Tower at 8:30 am, Nov. 21st, 2014.
Credit
The photo on the left was taken by SUN Yele; The photo on the right was taken by the camera installed on the Tower.
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License
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