None. There are no sex or nudity shown in this movie.

A woman is flirtatious with a man as a part of a show at the start of the film. This is the only stretch at sexual content in the film.

High altitude has several risks to the human body. Some blood is shown when a person begins to experience cerebral edema and bleeds from the nostrils onto another person. Significance is primarily due to the pallet of the film being desaturated, the blood stands out.

Frozen skin tears easily, and this happens to a person's hands. It is commented on, and seen briefly, but not dwelled on or shown in detail.

One use of "damn" recalled.

2 uses of damn

In one instance Amelia is awakening from her sleep and her sister finds a bottle. It is implied that she was drinking.

The latter half of the film has frequent scenes of peril around the life-threatening nature of the voyage. These are not overly dramatized, and most of the film maintains an upbeat style.

A character falls asleep and falls from a great height. They awaken while sliding and scramble for their life. Not too graphic, but jarring.

An air balloon is buffeted by a storm, launching people from its basket. This is filmed in a frenetic style and is a tense moment that could scare young viewers with its combination of thunder, lightening and peril.