![A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China\'s Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)](http://www.ecns.cn/hd/2018/08/20/ec23954cc80e44d8905689ed2ed4e42f.jpg)
A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China's Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)
![A moth flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China\'s Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)](http://www.ecns.cn/hd/2018/08/20/91ef8c0301c94907a1190e4ba578b393.jpg)
A moth flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China's Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)
![A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China\'s Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)](http://www.ecns.cn/hd/2018/08/20/b04d4389f46d4819a0b0e099aa8e5227.jpg)
A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China's Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)
![A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China\'s Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)](http://www.ecns.cn/hd/2018/08/20/55774eba6ff54372b52a07b781e9d89e.jpg)
A butterfly flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China's Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)
![A moth flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China\'s Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)](http://www.ecns.cn/hd/2018/08/20/f0529a923d624f31a9f448affcfdc639.jpg)
A moth flies among flowers at the Wenquan Park in Fuzhou, capital of southeast China's Fujian Province, Aug. 18, 2018. (Xinhua/Mei Yongcun)