Seems to me that units should have an ungarrisoning cooldown after garrisoning. This could also be used by Traders and Markets to avoid continuous horrid looking caravans.

Teleportation gathering!

Well, looks like the Mediterranean, which is not an ocean but a sea But what I had in mind is that "Celtic regions of northern Europe", "had been constructing ships in a manner very different", "to withstand the rigors of the northern climate, the sails were of hide and the anchor cables of chain". Thus, if some "oceanic" waters (meaning, choppier, which could even appear on the usual "sea" waters if there's a storm, if eventually added) were to be considered, the different types of ship could react differently to it.

If the religion to be represented is Zoroastrianism, the fire-holder could look more like this (coinciding with the "three-stepped top and base" description given in https://www.iranicaonline.org/articles/achaemenid-religion):   Sadly, it's not really known how Achaemenid temples looked like. Zoroastrian fire-holders seemed to be in the open, while, regarding some towers that were previously thought as temples, "the hypothesis positing a religious function for the tower-temples in the Urartian period is generally accepted, despite certain differences in the architectural environment of several of them; by contrast, the function of the two Achaemenid towers remains totally enigmatic. The only hypothesis that is not a matter of contention, as a result of both environment and architecture, is that of a deposit for objects, very probably of a royal and not a religious nature", from Studies on the Architecture and Archaeology of the Achaemenid Empire, by R. Dan. It is also thought that other religions were influential.

I be kinda sad