Pristine

DEF: Pure, new, unspoiled.

EX: 1. The phone is in pristine condition and still wrapped in its original package.

2. Ten years ago this lake was pristine, now it’s polluted and dirty because too many tourists have come.

Merriam-Webster Online Dictionary
pristine (adjective)
1.
belonging to the earliest period or state - original the hypothetical pristine lunar atmosphere
2.
a) not spoiled, corrupted, or polluted (as by civilization) - pure a pristine forest
b) fresh and clean as or as if new - used books in pristine condition