Photo taken on Sept. 7, 2015 shows a dragonfly resting on a leaf with dew drops on it near the Huaihe River in Huai'an, east China's Jiangsu Province. White Dew, the 15th solar term on the Chinese Lunar Calendar, falls on Tuesday this year. (Photo/Xinhua)
White Dew, (Chinese: 白露), the 15th solar term of the year, indicates the real beginning of cool autumn. The temperature declines gradually and the vapors in the air often condense into white dew on the grass and trees at night.