A farmer shows roses in Xuanwei City, southwest China's Yunnan Province, May 17, 2014. Xuanwei has planted 133 hectares of eatable roses for food processing. [Xinhua]

Farmers pick roses in Xuanwei City, southwest China's Yunnan Province, May 17, 2014. Xuanwei has planted 133 hectares of eatable roses for food processing. [Xinhua]

Farmers pick roses in Xuanwei City, southwest China's Yunnan Province, May 17, 2014. Xuanwei has planted 133 hectares of eatable roses for food processing. [Xinhua]

Farmers pick roses in Xuanwei City, southwest China's Yunnan Province, May 17, 2014. Xuanwei has planted 133 hectares of eatable roses for food processing.[Xinhua]

A farmer picks roses in Xuanwei City, southwest China's Yunnan Province, May 17, 2014. Xuanwei has planted 133 hectares of eatable roses for food processing. [Xinhua]