Sometimes anime needs to be censored. Maybe it's cultural reasons. Maybe it society's values. Maybe there just aren't enough fig leaves.
Below, you can see an image from the Magi: The Labyrinth of Magic anime as it aired in Japan when Sinbad first appears before Aladdin. Yes, Sinbad is sporting a strategically placed fig leaf. He looked like that in the original manga, too.
This isn't the censorship I am talking about (it's a gag!). When the anime aired on South Korea's Cartoon Network Korea, Sinbad looked like this:
That's a little excessive, no?
Other bits, like Alibaba's butt in the original Japanese version (above) were covered for the Cartoon Network Korea broadcast.