The need for small-boat trips ashore comes to an end. #Drones# now fly goods straight to ships waiting for dam locks on the Yangtze River. From birthday cakes to emergency drugs, the low-altitude instant #delivery# service in #Yichang#, #Hubei# province, solves the sailors' shopping troubles. Cheap, fast, and safe, technology warms people adrift on the golden waterway. #YangtzeRiver#