![](http://www.ecns.cn/hd/2021/06/01/b05bb3c8227e47aa80ddf0c573ece8ec.jpg)
Photo taken on May 28 shows the view of Judian lake in Shuangwangcheng ecological economic park in Shouguang City, Shandong Province.
Shuangwangcheng, once a vast saline-alkali land, now has become the largest tomato production base of soilless culture and a famous agricultural sightseeing spot in China. (Photo: China News Service/Mao Jianjun)
![](http://www.ecns.cn/hd/2021/06/01/81f12c26050f432eb2c6f87443a2cfb2.jpg)
Aerial photo taken on May 29 shows the vegetable planting greenhouse in Shouguang.
Shuangwangcheng, once a vast saline-alkali land, now has become the largest tomato production base of soilless culture and a famous agricultural sightseeing spot in China. (Photo: China News Service/Mao Jianjun)
![](http://www.ecns.cn/hd/2021/06/01/6ea7846b642740c48c4c43449130ee35.jpg)
Photo taken on May 29 shows a farmer works with soilless tomato. (Photo: China News Service/Mao Jianjun)
![](http://www.ecns.cn/hd/2021/06/01/b203dfababfb470e8e773037f2bd32af.jpg)
Photo taken on May 29 shows farmers package tomatoes which are to be exported to Russia. (Photo: China News Service/Mao Jianjun)
![](http://www.ecns.cn/hd/2021/06/01/5ebff681cf9c46dca175d811767cf319.jpg)
Photo taken on May 28 shows the view of Judian lake in Shuangwangcheng ecological economic park in Shouguang City, Shandong Province. (Photo: China News Service/Mao Jianjun)
![](http://www.ecns.cn/hd/2021/06/01/cd5df50e80614760b93edb3c0f905ca6.jpg)
Photo taken on May 29 shows the old people in a local nursing home. They can enjoy delicious one-yuan-meal (less than a U.S dollar), recreation and medical service here. (Photo: China News Service/Mao Jianjun)