This is a semi-total conversion mod for Age of Empires 2 HD Edition, which takes place in the colonial era. This is not an Age of Empires 3 remake, nor is it simply Age of Empires 2 set in the colonial era. There are new units, buildings, techs, and features which help it better fit into the colonial era.
These are the current graphics for the European Civilizations Exploration Age buildings (First Age)
What is the role of native embassy?
It is the first buildable military building and allows the player to train Native Units, such as the Native Warrior, and Native Bowman available in the Exploration Age.