Liu Zhenjian checks succulent plants at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian checks succulent plants at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian sells his succulent plants via live broadcast at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian introduces succulent plants to a buyer at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian arranges succulent plants at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian arranges succulent plants at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)

　　Liu Zhenjian arranges succulent plants at a greenhouse in Hengshui, north China's Hebei Province, Jan. 10, 2019. Liu has started cultivating succulent plants since 2014. (Xinhua/Zhu Xudong)