Farmers harvest sprouts of the Chinese ground orchid (Bletilla striata) in a herb garden in Weining County of Bijie, southwest China's Guizhou Province, March 15, 2018. Under a government plan to optimize rural economic structure and boost personal income, farmers here are encouraged to switch from traditional agricultural practices to alternative undertakings such as herb-planting and cultivation of counter-seasonal vegetables. (Xinhua/Yang Wenbin)