Location: Sumida Park, Taito Ward, Tokyo

Concept:
 The half-planet shape has six holes in the base to allow people a view of the interior.

Style:
 Steel plate: 3.2mm  
 Surface finishing: anti-corrosive  coating  

Features:
 The surface of the three legged half bowl structure is three dimensional. In constructing this surface ship building techniques were used. Greenery can be planted inside the bowl to enhance the attraction for visitors to the park.