Sunshine City

What is this?
Sunshine City is a building complex located in East Ikebukuro, Toshima, Tokyo, Japan. It has the 240 metre tall Sunshine 60 skyscraper at its centre. Sunshine City consists of four buildings: Sunshine 60, the main and tallest building, which includes corporate offices as well as restaurants; the Prince Hotel; the World Import Mart; and the Bunka Kaikan building. The complex sits on land that was once occupied by Sugamo Prison.
Atrium

Restaurants, shops, museums, theme parks, planetariums and aquariums fill the solar center from top to bottom.
And in the internal areas are performances.

And a little more interesting...
Here is the fastest elevator in the world.
There are a variety of museums and parks: Sunshine Aquarium, Ancient Orient Museum, Namco Namja Town and another.