Flower growers pick up roses in a greenhouse in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

Flower growers pack up the roses for sale at Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

A flower grower packs up the roses for sale at Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

Flower growers pack up the roses for sale at Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

Photo taken on Feb. 11, 2014 shows roses for sale at the Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

Residents purchase flowers at Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)

Flower growers pack up the roses for sale at Dounan Flower Market in Kunming, capital of southwest China's Yunnan Province, Oct. 13, 2014. Flower business in Yunnan is able to yield production value of 30 billion yuan (about 4.9 billion US dollars) every year, with its flower sale and production taking up 70 percent market in China. The province is now trying to make itself the largest flower production and market center in Asia. (Xinhua/Lin Yiguang)