Authors:

We'd thought that we were among the first humans to invade this basin, but humans had invaded everything, everywhere. They didn't have to walk into a place to invade it.

John Marsden (1995). “Tomorrow, When the War Began”, p.42, Houghton Mifflin Harcourt
We'd thought that we were among the first humans to invade this basin, but humans had invaded everything, everywhere. They didn't have to walk into a place to invade it.