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An attempt to use a spray of mist to trick an air pollution monitoring station failed when the water froze in the winter air－providing proof that someone was trying to tamper with the results.
An AWS representative declined to comment on the report.
An illustration of the designated traffic lanes for the 2019 Beijing International Horticultural Exhibition. [Photo/Weibo account of Beijing Municipal Commission of Transportation]
An aircraft is seen on the tarmac at airport in Sanya, Hainan province, Sept 4, 2018. [Photo/VCG]
An example of how publishers can use the new video tools unveiled by Amazon Web Services at re:Invent 2017. (AWS Photo)
