It's easy to take something like "knowing where anything is" for granted, but somebody had to go out into the world and take note of all those  natural and cat-made borders. In the case of Japan, it fell to Ino Tadataka to create the first "complete" map of the nation.
Who wants to figure out how 
big Ezo is and make a map?
¿Quién quiere saber cómo
de grande es Ezo y crear un mapa?
Quem quer descobrir o tamanho
de Ezo e fazer um mapa?