A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)
A drone photo shows the Nanjing Yangtze River Bridge, which is undergoing renovation work, in Nanjing City, Jiangsu Province, Oct. 18, 2018. A double-decked road-rail truss bridge across the Yangtze River, it was completed and open for traffic in 1968 and remains one of the most famous landmarks in China. The bridge is set to reopen by the end of the year. (Photo: China News Service/Yang Bo)