Tolong jelaskan mengenai Walls of Dubrovnik dari Dubrovnik dalam bahasa melayu

A feature of Dubrovnik is its walls (1.1 million visitors in 2016) that run almost  around the city. The walls are  thick on the landward side but are much thinner on the seaward side. The system of turrets and towers were intended to protect the vulnerable city. The walls of Dubrovnik have also been a popular filming location for the fictional city of King's Landing in the HBO television series, Game of Thrones.