A woman in a beautiful red dress squeezes down the narrow aisle of a small Air Botswana plane. Anne McCullough’s hand instinctively reaches for her sketchbook, already halfway filled. To her disappointment, the woman takes a seat right behind her. McCullough knows she has to start sketching before she forgets, taking several sneaky glances back to capture the colors and patterns of the woman’s dress and matching hat.

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