Sand Siltation in the Three Gorges Dam: Challenges and ResponsesThe Three Gorges Dam, as the world's largest water conservancy project, plays a crucial role in flood control, power generation, and navigation. However, the problem of sand siltation it faces is becoming increasingly severe, posing a key challenge to its long-term effectiveness...

Shen Yan CaseThe article was originally created and published by the headline of the Shen Yan case. Please do not plagiarize or reprint itIn the construction market,The price of inconspicuous sand in the river channel once skyrocketedAlso known asSoft GoldHas become an important scarce resource in China...