Make it easier to locate airports, train stations and aerodomes

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+2

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+1 to this.

luckes wrote:
The train station isn't really much of a problem either since troops automatically move via them when you have them. But it is of strategic importance that you always know where these locations are. 

Regarding airports specifically, they're used to transport troops between them, as train stations. It is stated in the tooltip flavour text, but isn't obvious at first. But when you place your army/unit on top of it, you'll get a new army action button, allowing you to move these troops to other airports, which will then be highlighted on the world map in plain white.

Hence, it will help you identify where all those airports you built in your empire are located. This is an indirect workaround, but I definitely agree that they should be made clearer on the map nonetheless.