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UN TRIANGLE DANS LE CIE crédit vidéo Cosmic Dust Bin - Save The Earth Author Cosmic Dust Bin This file is licensed under the Creative Commons Attribution 3.0 Unported license. Attribution: Cosmic Dust Bin This video, screenshot or audio excerpt was originally uploaded on YouTube under a CC license. Their website states: “YouTube allows users to mark their videos with a Creative Commons CC BY license.“ source YouTube Licence de paternité Creative Commons (réutilisation autorisée)