Wedding Days
It’s true that there are some South Korean women who choose to dress in a more conventional manner, but North Korean women don’t really have much of a say in the matter. They have not been exposed to western fashions to the same extent as other people. As a result, people go forward based on what they already know.
On the other hand, South Korean girls have a wide range of opportunities open to them to choose from. The fact that this means that there will be a significant lot of diversity from one wedding ceremony to the next should not come as much of a surprise to anyone.