The first time I visited it, I wondered how they raised that sphere, which is 32 meters in diameter - approx. the height of a regular 10-story building!
It turns out that the sphere was built on the roof of a nearby building, on the 7th floor, then raised with hydraulic jacks to the 25th floor.
EXIF info:
Nikon D90
Lens: VR 70-300mm F/4.5-5.6G
Focal Length: 70mm
Aperture: F/7.1
Shutter Speed: 1/800s
ISO Sensitivity: ISO 200