Eduard Spelterini-Taveyanaz Diablerets, balloon Wega, 1898. Image: Wikipedia.

Eduard Spelterini-Taveyanaz Diablerets, balloon Wega, 1898. Image: Wikipedia.

Eduard Spelterini-Taveyanaz Diablerets, balloon Wega, 1898. Image: Wikipedia.

Eduard Spelterini-Taveyanaz Diablerets, balloon Wega, 1898. Image: Wikipedia.

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