Ephesians 2:20-21

you are a building that rests on the apostles and prophets as its foundation, with Christ Jesus as the cornerstone;

Ephesians 4:4-7

For there is one Body and one Spirit ??as you were called for the one hope that belongs to your call ??5 one Lord, one faith, one baptism,

Revelation 21:10-27

So he carried me off, rapt in the Spirit, to a huge, high mountain, where he showed me the City, the holy Jerusalem, descending from God out of heaven,

Treasury of Scripture Knowledge

Summary

Jerusalem is builded as a city that is compact together:

Bible References

Builded

Ephesians 2:20
you are a building that rests on the apostles and prophets as its foundation, with Christ Jesus as the cornerstone;
Ephesians 4:4
For there is one Body and one Spirit ??as you were called for the one hope that belongs to your call ??5 one Lord, one faith, one baptism,
Revelation 21:10
So he carried me off, rapt in the Spirit, to a huge, high mountain, where he showed me the City, the holy Jerusalem, descending from God out of heaven,