Unmanned container trucks enter into trail operation stage in Tangshan Port

Aerial photo taken on Nov. 25, 2019 shows unmanned container trucks running at the container terminal of Jingtang port area of Tangshan Port, north China's Hebei Province. Under the support of 5G technology, the unmanned container trucks have gone through running tests in the container terminal of Jingtang port area and entered into the trail operation stage. (Xinhua/Yang Shiyao)