Twenty bags of vacuum-packed mountain air were shipped to residents who've been choking on smog in Zhengzhou, Henan province in a promotional campaign to boost tourism at nearby Laojun Mountain, with some participants reportedly squeezing the last remnants of fresh air from bags like the end of a toothpaste container to get some of those sweet, untainted O2 molecules.

Visit the original source and full text: Shanghaiist