 However, it was subsequently restored, a process which took five years.The tower has its own visitor centre, RonDom (which refers to both the Dutch word rond or rondom (around - surrounding) and the name of the church - emphasized by the capital D), which is located in the square.As well as stocking a range of souvenirs, they organise a number of activities centred on the tower, including regular guided tours which allow people to climb the 465 steps to the top of the Dom Tower.