Since the Golden Gate bridge wonder will allow land units to cross it like a bridge, should this ability extend to the land-reclaiming Polders rather than make them weird water tiles? I believe so, since a Polder is actual land, and these tiles should be walkable. (I'm not sure about engine restrictions, but hey, I saw @Eagle Pursuit mention it and I agree that this should be a thing).
Separate issue: They could also flood if pillaged (and could make for some interesting defensive functions if you can pillage your own polders, as in reality
) .
Separate issue: They could also flood if pillaged (and could make for some interesting defensive functions if you can pillage your own polders, as in reality
