I had never heard of the Tomb of Emperor Nintoku and was wondering why it was included since it just looked like a park in that picture. Looking into it, it tu

I had never heard of the Tomb of Emperor Nintoku and was wondering why it was included since it just looked like a park in that picture. Looking into it, it turns out the lighter green outline of the keyhole is actually a moat and the keyhole is a burial mound. It was created during the 5th century. https://en.wikipedia.org/wiki/Mozu_Tombs https://en.wikipedia.org/wiki/Mozu_Tombs