Dalian Bay Undersea Tunnel lighting system can adapt to seasonal light changes

Different from ordinary tunnel lighting systems, the lighting system of Dalian Bay Undersea Tunnel can promptly adapt to the changes in light perception in the four seasons, timely adjust the color temperature and color difference between the seabed and the land, and realize the organic integration of the lights in the tunnel and the external light, so that people no longer feel darkness in front of their eyes when entering and exiting the tunnel.