In 2012 the flat - roofed observation room on top of the tower was removed .
In 2012 the flat - roofed observation room on top of the tower was replaced with a lantern structure , giving the tower an altogether more lighthouse - like appearance once again .
In 2012 the flat - roofed observation room on top of the tower was removed and replaced with a lantern structure , giving the tower an altogether more lighthouse - like appearance once again .