Beijing and other cities across northern and central China were shrouded in thick smog Monday and Tuesday prompting authorities to delay dozens of flights and close highways.<br /><br /> A 12-second time-lapse footage shows the moment when the smog engulfs the city of Beijing in the latest bout of air pollution.<br />No Comment | euronews: watch the international news without commentary | http://www.euronews.com/nocomment/
