"They had a cultural asset that was more important than they'd thought."
It is an important cultural asset designated by the government.
The main building and both wings were designated as important cultural assets in 1974.
It was designated as a cultural asset by the government of Tokyo in 2003.
Community groups find them an eyesore; others say they are a cultural asset.
But alas, like every great cultural asset, it cannot be taken for granted.
The festival is designated by the Japanese government to be an important cultural asset.
The mansion is today listed as a cultural asset of national importance.
These cultural assets have been accumulated by a number of famous private libraries some over 1,000 years.
The castle was declared a cultural and municipal asset in May 2005.