Cole flowers are in full bloom in Yutan Village of Taibai Township in Wuyuan County, east China's Jiangxi Province, March 3, 2013. (Xinhua/Hu Dunhuang)

Cole flowers are in full bloom in Mingkou Township of Leping City, east China's Jiangxi Province, March 4, 2013. (Xinhua/Zhu Dingwen)

Tourists enjoy themselves in a cole flower field in Liuzhou City, southwest China's Guangxi Zhuang Autonomous Region, March 6, 2013. (Xinhua/Li Hanchi)

Pupils enjoy themselves in a cole flower field at Shixia Village in Renshou Township of Jing'an County, east China's Jiangxi Province, March 4, 2013. (Xinhua/Xu Zhongting)

A bee collects pollen from a cole flower in the field in Dadong Township of Dapu County, south China's Guangdong Province, March 6, 2013. (Xinhua/Zhong Xiaofeng)

Tourists take a walk in a cole flower field in Dadong Township of Dapu County, south China's Guangdong Province, March 6, 2013. (Xinhua/Zhong Xiaofeng)

 Photo taken on March 6, 2013 shows the scenery of cole flower fields at Zhongyan Village of Ruifeng Town in Qingshen County, southwest China's Sichuan Province. (Xinhua/Yao Yongliang)

Cole flowers are in full bloom beside a lake in Liukou Town of Xiuning County, east China's Anhui Province, March 4, 2013. (Xinhua/Shi Guangde)