Santalune Forest is identical to what former route? | Pokémon Short Facts | #shorts

In this Pokémon Short Fact we talk about the layout of Santalune Forest in Pokemon X and Y.

Spoilers
Santalune Forest is layout out almost identically to Viridian forest in the generation 1 games. We don't know why this is, but it's still puzzling. Where the devs running out of time and need to just reused a old layout? Did the devs wanted to test out an old layout in 3d?