BEIJING: Beijing is planning to build a web of ventilation corridors to facilitate air flow and blow away smog and pollutants, municipal authorities said.
The five primary ventilation corridors are designed to be more than 500m-wide.
Monday, 22 Feb 2016
BEIJING: Beijing is planning to build a web of ventilation corridors to facilitate air flow and blow away smog and pollutants, municipal authorities said.
The five primary ventilation corridors are designed to be more than 500m-wide.