A metro train runs in advection fog shrouded Caijia Rail Transit Bridge in Chongqing, creating an amazing scenery of "train running over the could", Jan. 7, 2023. (Photo provided to China News Service)
A metro train runs in advection fog shrouded Caijia Rail Transit Bridge in Chongqing, creating an amazing scenery of "train running over the could", Jan. 7, 2023. (Photo provided to China News Service)
A metro train runs in advection fog shrouded Caijia Rail Transit Bridge in Chongqing, creating an amazing scenery of "train running over the could", Jan. 7, 2023. (Photo provided to China News Service)
A metro train runs in advection fog shrouded Caijia Rail Transit Bridge in Chongqing, creating an amazing scenery of "train running over the could", Jan. 7, 2023. (Photo provided to China News Service)