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When Humans Hit 7 Billion, Will It Happen In India?

When the world's 7 billionth person is born sometime on Oct. 31, there's a good chance he or she will be born in India, where 51 babies are born every minute. A visit to the most densely populated neighborhood in one of the world's densest cities offers a look at what life might be like for Citizen No. 7 Billion.