Wintersweet flowers pictured during solar term Xiaohan

A bird perches on a branch of wintersweet in Renhuai, southwest China's Guizhou Province, Jan. 5, 2023. The traditional Chinese lunar calendar divides the year into 24 solar terms. Xiaohan, or Slight Cold, is the 23rd solar term, which falls on Jan. 5 this year. (Photo by Chen Yong/Xinhua)

Wintersweet flowers are pictured at the scenic spot of the imperial Xiaoling Mausoleum in Nanjing, capital of east China's Jiangsu Province, Jan. 5, 2023. The traditional Chinese lunar calendar divides the year into 24 solar terms. Xiaohan, or Slight Cold, is the 23rd solar term, which falls on Jan. 5 this year. (Photo by Liu Jianhua/Xinhua)