There are some remarkable new pictures of a tribe of Indians in the Brazilian rainforest.

The tribe has rarely been in contact with other people before and the pictures are taken from the air because Brazil's Indian Affairs department is hoping to keep it that way.

You get a sense of the way they live from the detail in the images - which you can see on our website.

They are being published by Survival International as part of a campaign to protect the area they live. Field director with Survival International Fiona Watson tells us more about them.

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