On: In 1930 the Indiana Bell building was rotated 90°

[nayuki]

I get how they can keep electricity and telephone service running this gradual move. But how do they keep water and sewers running? Did they use temporary flexible pipes, or maybe a rotational joint at the pivot point?

[kQq9oHeAz6wLLS → nayuki]

I'm not in a place to find the source, but I recall reading that they used long flexible hoses.