CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows a little train on Ali Mountain in Taiwan, southeast China.(Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows blooming ghent azaleas on Ali Mountain in Taiwan, southeast China. (Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows cloud and mist on Ali Mountain in Taiwan, southeast China. (Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows blooming ghent azaleas on Ali Mountain in Taiwan, southeast China.(Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows China fir forests on Ali Mountain in Taiwan, southeast China. (Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows the blooming mangnolias on Ali Mountain in Taiwan, southeast China.(Xinhua/Zhang Guojun)

CHIAYI, April 10, 2016 (Xinhua) -- Photo taken on April 9, 2016 shows the sisters' pond on Ali Mountain in Taiwan, southeast China. (Xinhua/Zhang Guojun)