The angles and white metal with the sunlight streaming makes the top triangular white bars look like a neon light. It is not a light though, this effect is all natural.
Biosphere 2 is made of steel tubing and high performance glass and steel frames.
The structure helped deal with atmospheric expansion. During the day, the heat from the sun caused the air inside to expand and during the night it cooled and contracted.
The structure had large diaphragms kept in domes called lungs.
Check out our travel photos of the fabulous architecture of India at Viva la Voyage!