Out of 28 ship locks along the entire North Jiangsu Canal, most were built in the 1960s, constraining any improvement to shipping. Smart ship locks to the rescue. Full story (in Chinese) via this link; read the absolute essentials about Jiangsu via this link.
![The Nanjinger - 60 Year Old Canal Locks in North Jiangsu Renovated to Break Bottleneck The Nanjinger - 60 Year Old Canal Locks in North Jiangsu Renovated to Break Bottleneck](https://i0.wp.com/www.thenanjinger.com/wp-content/uploads/2023/10/The-Nanjinger-60-Year-Old-Canal-Locks-in-North-Jiangsu-Renovated-to-Break-Bottleneck.jpg?resize=696%2C417&ssl=1)