![](http://www.ecns.cn/hd/2019/06/23/2c091b5ec74240698e8c37e4253842b6.jpg)
Photo taken on June 21, 2019 shows a flower at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/97649088f52d4994885007163ab3dd8c.jpg)
Photo taken on June 21, 2019 shows a water lily flower at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/10ae73587cbb4bdc998b5a168786b688.jpg)
Photo taken on June 21, 2019 shows a cactus plant at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/b210fcc70ef24a2f9cadabc4f35f540a.jpg)
Photo taken on June 21, 2019 shows a cactus plant at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/4898166409784178a4c5eb4875b092aa.jpg)
Photo taken on June 21, 2019 shows a cactus plant at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/a612578c449c43799483ab74f4da8bb0.jpg)
Photo taken on June 21, 2019 shows a lily flower at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/f5dcf9d6c4df4b2d8aac57fd4d892091.jpg)
Photo taken on June 21, 2019 shows a morning glory flower at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)
![](http://www.ecns.cn/hd/2019/06/23/43c985d6d17b4c44a1f81a21ca5be6fe.jpg)
Photo taken on June 21, 2019 shows a lily flower at the Zhouji Green Expo Garden in Nantong, east China's Jiangsu Province. (Xinhua/Xu Congjun)