新聞來源:https://www.nihonbashi-takashimaya-mitsui.jp/en/
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The greatest features of the external design are "harmony and fusion." The lower floors emulate the classical style of the Takashimaya Nihonbashi building.
The middle and higher floors are designed with a functional international style making use of cutting-edge technology.
This harmony achieves a design also fitting in the Nihonbashi area that possesses both tradition and innovation.