Notice the Qin Ling mountains in the background are visible on a day with good air quality while even some of the foreground buildings fade away on a bad air quality day.
Saturday, April 11, 2009
Update: Physical Setting- Pollution Comparison
Last Semester, I commented on the relationship between Xi'an's physical setting and its air quality issues. However, I did not post a photo highlighting this phenomena. So, below are two photos taken from a footbridge near my house.
Notice the Qin Ling mountains in the background are visible on a day with good air quality while even some of the foreground buildings fade away on a bad air quality day.
Notice the Qin Ling mountains in the background are visible on a day with good air quality while even some of the foreground buildings fade away on a bad air quality day.
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