A shop employee stands next to containers of canned air from the 1800-meter-high Laojun Mountain, Luanchuan County, Central China's Henan province, on March 12. The county has abundant forest resources and over 320 days of excellent air quality, and local authorities launched an activity to find the best unpolluted air in Luanchuan and to collect it in cans. [Photo/icpress.cn] |
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