Those mountains are a
NATURAL fortification.
Game of Thrones Season 6, Episode 7
Yeah! Natural selection at work.
The Big Bang Theory Season 1, Episode 15
But it's NATURAL,
boys having a go beneath the sheets.
Game of Thrones Season 3, Episode 6
It's only NATURAL.
The Big Bang Theory Season 12, Episode 12
Talk about how much you have missed
each other and do what feels NATURAL.
Money Heist Season 3, Episode 7