Air quality better in 1st five months in Changsha, central China

　　Photo taken on June 5, 2015 shows the downtown area of Changsha, capital city of central China's Hunan Province. According to statistics issued by Changsha's Environmental Protection Bureau, Changsha has better air quality in the first five months in 2015 than the same period of last year. (Xinhua/Long Hongtao)

　　Photo taken on June 5, 2015 shows the Juzizhou Bridge of Changsha, capital city of central China's Hunan Province. According to statistics issued by Changsha's Environmental Protection Bureau, Changsha has better air quality in the first five months in 2015 than the same period of last year. (Xinhua/Long Hongtao)

　　Photo taken on June 5, 2015 shows the downtown area of Changsha, capital city of central China's Hunan Province. According to statistics issued by Changsha's Environmental Protection Bureau, Changsha has better air quality in the first five months in 2015 than the same period of last year. (Xinhua/Long Hongtao)

　　Photo taken on June 5, 2015 shows the downtown area of Changsha, capital city of central China's Hunan Province. According to statistics issued by Changsha's Environmental Protection Bureau, Changsha has better air quality in the first five months in 2015 than the same period of last year. (Xinhua/Long Hongtao)