To be sure, not all residential buildings are suitable for roof construction.
Between 2002 and 2006, the roof construction, which is a listed building, was renovated.
Apart from the animal oil, this method of roof construction continues to be used.
Traditional Korean roof construction has traditionally used many kinds of natural materials.
On June 2, 2009, a major part of the roof construction collapsed under normal weather conditions, including the section above the royal box.
The highest point of the building was reached on 24 February 1995, after the roof construction was raised.
It is known for its unique roof construction, made entirely out of wood.
The line had 23 stations, all with vaulted roof construction.
Almost two years later, the roof construction covering all seats on north stand was built.
Their floors, stairs and roof construction are made by timber.