1 / 5    The Nanjing Yangtze River Bridge in east China's Nanjing City was lit up on December 10. /VCG Photo

2 / 5   The 50-year-old bridge with 299 lamp posts on its both sides is being renovated since October 2016. The restoration work is expected to be completed by the end of this year. /VCG Photo

3 / 5   The 1495 LED lamps shining on the bridge have been renewed adhering to their original forms to preserve them while extending their longevity, according to a construction staff member. /VCG Photo

4 / 5    Three red flags at each bridgehead are decorated with special lighting to create an effect of "waving flags". /VCG Photo

5 / 5    Local authorities said the new lighting system is brighter and more energy efficient. The bridge first opened for traffic in 1968, was the first modern bridge that China designed and built itself in the country. /VCG Photo