The battle to transform the Hai River, waged by the people of Tientsin during the last six months of 1958, has been won. An adequate supply of fresh water has been ensured for industry, agriculture...
Please login first!
The battle to transform the Hai River, waged by the people of Tientsin during the last six months of 1958, has been won. An adequate supply of fresh water has been ensured for industry, agriculture...