Assassin's creed 2 Leonardo da Vinci's studio is unmarked

Does the subject want to ask "Assassin's Creed 2" why Leonardo da Vinci's studio is not marked? You need to start the task of repairing your father's armband sword to be marked. According to the website of Assassin's Creed 2, finding Leonardo da Vinci's studio is the task of repairing his father's armband sword in the game. The studio is located between the workshops of Florence and Venice Manor. Unlock the map from the bird's-eye view and you will see that there is an L mark on the map.