Comment by More-nitors

hm I thought they were to impress people... show off "we can build this in one-go" / "we can compensate/take this big-land from the owners in one-go"

In construction, you have to have the timing right for the whole building in one-go...

In land-ownership issue, you have to own the whole land / negotiate with/seize from with owners who own some of the land