![Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China\'s Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)](http://www.ecns.cn/hd/2018/10/05/5ca5a4b91f2b453b904c8207f1fe694d.jpg)
Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China's Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)
![Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China\'s Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)](http://www.ecns.cn/hd/2018/10/05/a82bcc670c5f49df89fafb7c16979c1a.jpg)
Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China's Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)
![Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China\'s Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)](http://www.ecns.cn/hd/2018/10/05/87ee625f7e3e4ab789fa767da93d4b37.jpg)
Workers manipulate machines to harvest salt at saltworks in Binzhou City, east China's Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)
![A worker manipulates a machine to harvest salt at saltworks in Binzhou City, east China\'s Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)](http://www.ecns.cn/hd/2018/10/05/33a2581ca0c44fb58e1b1c02d28cc1bb.jpg)
A worker manipulates a machine to harvest salt at saltworks in Binzhou City, east China's Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)
![A worker manipulates a machine to harvest salt at saltworks in Binzhou City, east China\'s Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)](http://www.ecns.cn/hd/2018/10/05/a6a1a596a4b74fe6abae1a42f6d35501.jpg)
A worker manipulates a machine to harvest salt at saltworks in Binzhou City, east China's Shandong Province, Oct. 4, 2018. The saltworks entered the harvest season recently. (Xinhua/Guo Zhihua)