Who told you that GCP AZs typically coexist in the same building? Can you provide the source of this information? If you open for example one site of us-centra

Who told you that GCP AZs typically coexist in the same building? Can you provide the source of this information? If you open for example one site of us-central1 region ( 41.17425599375981, -95.80193009453644 ) you will see that just this one site has several buildings.