The video shows a man wearing a white hard hat and an orange safety vest. He is standing in front of a foggy background with several cranes visible in the distance. The man is speaking to the camera, and subtitles appear at the bottom of the screen, indicating that he is discussing the construction of a bridge. He points to the cranes in the background and explains that they are being used to lift and move the steel box girder for the bridge. The man also mentions that the bridge is the largest and heaviest of its kind in Hong Kong.