There are some places in this world like that. This area in particular is tropical--have you seen the trees that tower overhead with large leaves? They can't grow in cooler air.

[ She's careful to use words she would understand if she's not from this era. Air instead of climate, tropical, trees, etc. ]

You have been here for a little while, haven't you? Must have seen a lot of people pass by. Anything catch your eye?