Farmers fix the grape vines on the frames at a vineyard in Turpan, northwest China's Xinjiang Uygur Autonomous Region, March 20, 2019, one day ahead 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/Zhao Ge)