* Better Volcano Placement (possible bug in original Firacis code fixed)
Volcanoes now not allowed within 2 tiles of an existing volcano.
Volcanoes not allowed adjacent to more than 3 existing mountain tiles.
* Floodplains updated to add "old" style flood plains to all desert rivers
The "old" style flood plains provide yield bonus but will not flood.
Only allowed on flat desert without a "new" style flood plain.
No visible difference from flood plains that flood, surprise!
* Increased number of coastal lowlands
Base game limited to 35% of potential lowlands, increased to 50%. This is, realistically, about 15% of the total coast compared to roughly 10% before based on restrictions for while tiles can potentially be lowland in the first place. No hills, not adjacent to mountains, not adjacent to natural wonders, not adjacent to lakes and not already a flood plain.