There are videos about the history of the creation of The Legend of Zelda: Breath of the Wild

Nintendo has shared three ten-minute videos dedicated to the development of The Legend of Zelda: Breath of the Wild, the main and so far the only blockbuster of the Switch console.

The first video is dedicated to the beginning of development, the second to writing the story and characters, and the third to working on the open world of the game.

Source: Nintendo