Architecture firm Orproject has proposed the construction of a sealed canopy filled with clean air. Bubbles would cover a park and botanical garden, providing a healthy, temperature- and humidity-controlled area. Photos: courtesy of Orproject

Giant bubbles could be 'built over Beijing parks to save residents from smog danger'

Enclosing spaces in giant transparent domes may be a way to escape the city's dirty air

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Architecture firm Orproject has proposed the construction of a sealed canopy filled with clean air. Bubbles would cover a park and botanical garden, providing a healthy, temperature- and humidity-controlled area. Photos: courtesy of Orproject
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