Different political spaces in Caochangdi are gathered in a Babel Tower shaped building.
Arrange by openness and public / Order is from top to bottom/ Observatory> Outlook Port> Hospice >Administration > Residence place> Museum> People Square
The size and density of the window / is a visual presentation and react upon social organization relationships
The connection of spaces is located in the central of elevator/ each political group is isolated completely
Build semi-circle ancient Greece ladder theatre / living area is built above stylobate / like potential energy savings in life
Residents and audience could gather in the amphitheater at any time / viewing art and holding public events