Shanghai's Lagena Primary School is a 5-story, 76 kiloton 85-year-old T-shaped structure that was rotated 21' and relocated 62m down the road over 18 days by means of "walking machines."
These are 198 sensor-studded, actuating mobile supports that alternately raised and lowered in two groups, allowing the building to slowly shuffle around and manoeuvrer into its new position.
2/
The legs were installed by workers who excavated around and beneath the structure, relying on its existing support pillars to support it; when the legs were in place, the pillars were sawn through.
3/