Farmers work on day of "Chunfen" across China

A farmer works in the field at Shanting District in Zaozhuang City, east China's Shandong Province, March 21, 2018, also the day of "Chunfen". Chunfen, which literally means Spring Equinox or Vernal Equinox, falls on the day when the sun is exactly at the celestial latitude of zero degrees. (Xinhua/Zhang Qiang)