Think it's this that I'm reminded of by the power station in #Estallum #FFXV

It is the destruction of this that allows you to finally get out into the countryside, isn't it?

Sector Reactor:

The Sector 1/5 Reactor is one of the eight Mako Reactors built by the Shinra Electric Power Company to power the metropolis of #Midgar in #FFVII.

http://finalfantasy.wikia.com/wiki/Sector_5_Reactor#Final_Fantasy_Record_Keeper