Water tower

* World objects:
** Water tower (Fallout), a world object in Fallout.
** Water tower (Fallout 3), a world object in Fallout 3.
** Water tower (Fallout: New Vegas), a world object in Fallout: New Vegas.
** Water tower (Fallout 4), a world object in Fallout 4.
** Water tower (Fallout 76), a world object in Fallout 76.