Children try to stand eggs at a kindergarten in Nanjing, east China's Jiangsu Province, March 20, 2025. Spring Equinox, or Chunfen in Chinese, the fourth solar term in the Chinese lunar calendar, falls on March 20 this year. (Photo: Xinhua)

Children show colorful eggs they paint at a kindergarten in Qianyuan Town of Huzhou City, east China's Zhejiang Province, March 20, 2025. Spring Equinox, or Chunfen in Chinese, the fourth solar term in the Chinese lunar calendar, falls on March 20 this year. (Photo: Xinhua)

Students paint colorful eggs at a primary school in Binhai New Area in Tianjin, north China, March 20, 2025. Spring Equinox, or Chunfen in Chinese, the fourth solar term in the Chinese lunar calendar, falls on March 20 this year. (Photo: Xinhua)

Children paint kites at a primary school in Deqing County of Huzhou City, east China's Zhejiang Province, March 20, 2025. Spring Equinox, or Chunfen in Chinese, the fourth solar term in the Chinese lunar calendar, falls on March 20 this year. (Photo: Xinhua)