Farmers work in field planted with indigenous Chinese herb in China's Hebei

Aerial photo taken on June 27, 2018 shows farmers working in the field planted with Danshen in Chinese, or Salvia miltiorrhiza in Latin, an indigenous Chinese herb, in Tiangezhuang Village of Tangshan City, north China's Hebei Province, June 27, 2018. (Xinhua/Mu Yu)