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Felicity Aston: Diary of a solo Antarctic crossing

British explorer Felicity Aston is the first woman in the world to have skied solo across Antartica. She sent tweets throughout her 59-day journey. On day one she tweeted simply: "Alone."

British explorer Felicity Aston is the first woman in the world to have skied solo across Antartica. She sent tweets throughout her 59-day journey. On day one she tweeted simply: "Alone."