ahlam1399
05-30-2017, 09:14 AM
China is planning to build a massive underwater observation system across the disputed East and South China seas, that experts say could be used to detect the movement of foreign ships.
أكثر... (http://www.cnn.com/2017/05/29/asia/south-china-sea-underwater-observation-system/index.html)
أكثر... (http://www.cnn.com/2017/05/29/asia/south-china-sea-underwater-observation-system/index.html)