Senbong, a free trade zone near the border with China, offers a slightly less restricted experience compared to Chongjin and Najin.  While sights here might still be dominated by the industrial zone, there might be glimpses of a slightly more developed infrastructure.  Shopping options could be marginally wider, with a few stores offering a slightly larger selection of goods. Dining options might also offer a bit more variety, with a possibility of encountering some international influences alongside Korean cuisine.  Nightlife is still likely nonexistent in Senbong, but there could be a touch more leisure activities available compared to the other two ports. However, information on such activities is scarce due to North Korea's isolationist policies.