While many Beijing residents are staying indoors to escape the cloud of heavy pollution hanging over the city, one man with a vacuum cleaner has been exposing himself to the toxic air four hours a day, for 100 days in a row.

Nor, he isn’t hoping the Air Quality Index will improve thanks to his industrial-strength vacuum. Instead, he’s making a public point about the capital’s notoriously heavy smog, by turning the dust he collects into a brick.

“Nut Brother,” a 34-year-old performance artist from Shenzhen, first announced his plan to vacuum the dust from Beijing’s air in late July. Every day since then, the pony-tailed guy in a work jacket—sometimes wearing a respirator mask—has walked Beijing’s streets with his vacuum, with the suction nozzle held high in the air collecting dust.

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On Nov. 30, the 100th day of his project, he mixed the dust he collected with clay and took it to a brick factory to make a semi-finished brick. The final brick will be finished in a few days, after it is dried and fired.

“Air in Beijing is bad all over,” Nut Brother told Quartz. “There’s no special supply of air.” He came up with his plan in 2013, after living in the city for years, as Beijing’s “airpocalypse” sparked outrage in the China. Through his performance art, he wants people to think more about environmental protection and better understand the “relationship between human and nature,” he said.



During his walks, he was often taken for a “cleaner,” or an “air monitoring person.” Nut Brother vacuumed air from Beijing’s hutongs (old lanes) to the Tiananmen Square to the Bird’s Nest national stadium to the headquarters of the Ministry of Environmental Protection. Every day on his Sina Weibo account (link in Chinese, registration required) he noted the date, the weather, and his vacuuming area, and added a photo he asked passers-by to take.

3Day Day 36, sunny, Tiananmen Square.(Quartz/Supplied by Nut Brother)


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Day 83, cloudy, Limin Hutong.(Quartz/Supplied by Nut Brother)