Most donors prefer to contribute to causes that tug at the heart strings, such as education.

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With the muscular form of Michelangelo's David setting hearts a-flutter outside the Galleria dell'Accademia, and comely Renaissance maidens in every gallery, it's the artistic heart of Florence that plucks at the heart strings.

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The acceptable adaptations far outnumber the offensive, with the trademark growling guitars chugging at the heart-strings in an almost comforting manner.

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