Farmers pick dendrobium flowers at Chishui, Southwest China's Guizhou province, on May 5. The local government has encouraged farmers to plant dendrobium flowers, a traditional Chinese medicinal product, to increase incomes in recent years. [Photo/Xinhua]

A farmer collects dendrobium flowers at Chishui, Southwest China's Guizhou province, on May 5. [Photo/Xinhua]

A farmer collects dendrobium flowers at Chishui, Southwest China's Guizhou province, on May 5. [Photo/Xinhua]

Farmers pick dendrobium flowers at Chishui, Southwest China's Guizhou province, on May 5. [Photo/Xinhua]

Farmers transport dendrobium flowers for bakery at Chishui, Southwest China's Guizhou province, on May 5. [Photo/Xinhua]