Tourists view flowers at a flower expo park in Yanling County of Xuchang, central China's Henan Province, Oct. 3, 2018. To boost the rural economy, local authorities have promoted the industry of flowers and plants. The county's output value of flower and plant industry reached 7.1 billion yuan (1.03 billion U.S. dollars) in 2017. (Xinhua/Zhu Xiang)