A Chinese artist just spent 100 days walking the streets of Beijing with a vacuum cleaner, and has made a brick from the city's polluted air.
The artist, who calls himself Nut Brother (坚果兄弟), walked the city's streets for about four hours each day, pushing a large, 1,000-watt industrial vacuum cleaner while holding its nozzle in the air.
And he's made a brick from the dust and smog collected — a symbol of the city's infamous pollution that has made face masks a common sight on its streets. On Monday, the brick was created at a brick factory, that mixed the vacuumed dust with clay.
Image Credit: Wikimedia Commons / Kevin Dooley
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