The purpose of this study is to clarify the factor of "the visible area", "the recognizable area" and "the non-recognizable area" of the Tokyo Tower from its surrounding streets. locations. The Tokyo Tower street visibility and its relationship between the visible areas and the viewing distance inside a the viewing distance. By contrast, the recognizable areas present an inverse proportional relation to the viewing distance and these areas were found in streets located in the west, north-west

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... d south areas of the Tokyo Tower. The recognizable areas are presented only in particular streets inside 200 meter radio where the recognition of the Tokyo Tower is hardly because is hidden by trees or buildings, but possible due to the top part visibility. Additionally, the recognizable areas were