This photo taken on April 11, 2024 shows tulips at the smeltery of Serbia Zijin Copper DOO in Bor, Serbia. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

A worker operates a forklift at a smeltery of Serbia Zijin Copper DOO in Bor of Serbia, April 11, 2024. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

This photo taken on April 11, 2024 shows tulips at the smeltery of Serbia Zijin Copper DOO in Bor, Serbia. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

A worker is seen at a workshop of Serbia Zijin Copper DOO in Bor of Serbia, April 10, 2024. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

Staff chat at the smeltery of Serbia Zijin Copper DOO in Bor of Serbia, April 11, 2024. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

Workers are seen at a workshop of Serbia Zijin Copper DOO in Bor of Serbia, April 10, 2024. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)

 

 

This photo taken on April 11, 2024 shows the view of the smeltery of Serbia Zijin Copper DOO in Bor, Serbia. The city of Bor in Serbia is rich in copper resources. Zijin Mining Group built new and advanced production facilities in the Serbian company and set new standards for environment-friendly mining. (Xinhua/Zheng Kaijun)