Magnolia-shaped lamps on the Nanjing Yangtze River Bridge are lighted up during a test on November 21, 2018. It is the first time those lamps are turned since the bridge was closed for a maintenance. The bulbs will also be replaced from the previous high-pressure sodium lamps into LED lamps which are more energy-efficient and has a longer-life. (Photo/IC)
Magnolia-shaped lamps on the Nanjing Yangtze River Bridge are lighted up during a test on November 21, 2018. It is the first time those lamps are turned since the bridge was closed for a maintenance. The bulbs will also be replaced from the previous high-pressure sodium lamps into LED lamps which are more energy-efficient and has a longer-life. (Photo/IC)
Magnolia-shaped lamps on the Nanjing Yangtze River Bridge are lighted up during a test on November 21, 2018. It is the first time those lamps are turned since the bridge was closed for a maintenance. The bulbs will also be replaced from the previous high-pressure sodium lamps into LED lamps which are more energy-efficient and has a longer-life. (Photo/IC)
