Two spherical-shaped UFO over Disney Park, in Florida

On January 4, 2016, a witness was in Lake Buena Vista and was watching a parade in Disney Park. He has taken a photo where he has discovered two white spherical-shaped UFO flying in the blue sky.

Witness report:

1) I was watching the parade 'Festival of Fantasy' at the Magic Kingdom.
2) I was seeing the pictures I had taken , they were good.
3) Just asked my mother what she thought , and then to my father . I found the foreign object.
4) I did not see the object in the sky , just after I saw the picture.
5) I was struck by the photo and what it could be.
6) Unfortunately I did not notice the object in the sky during the event, only after.