The town of Luoyang in central China’s Henan province is an historical money, a cultural heart and a big industrial hub. A thin sheet of smog hung around the skyline on the working day I landed. It cleared up a pair of hrs later, revealing a soft blue sky. Elderly gentlemen have been fishing on a canal lined with willow trees. “The government has controlled air pollution properly,” said 66-year-aged retiree Li Cheng. “In the earlier, there have been a lot of smoggy times. Now there are much more times with blue skies.” He credits this to very good authorities policy of moving factories and controlling emissions from autos. Now,…