We know that the United States develops a culture that features diversity.

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Set in the Apennine mountains, the Geopark offers rich geological diversity and outstanding sites of mountainous landscapes, cave formations and coastal features.

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The 60-second commercial features a single woman singing on a mountaintop, who is quickly surrounded by a diversity poster of youthful, bubbly faces. (Even though the spot is over 40 years old, it seems like a present-day stroll through the East Village.) Creator Harvey Gabor, formerly of agency Backer Spielvogel, collaborated with Google creatives to create an adjunct media campaign across smartphones, tablets, and laptops.

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"Once we have those trees we look at distribution of these different word order features over the descendant languages, and build evolutionary models for what's most likely to produce the diversity that we observe in the world, " Dr Dunn said.

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