[citation necessary] UN troops established a defensive perimeter within the city known as the Pusan Perimeter in the summer and fall of 1950. Since then, the city has been a self-governing metropolis and has crafted a strong city character. Haeundae Haeundae is Busan?�s social gathering location. Korean and international website https://clayt875ykv7.wikibriefing.com/user