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An exclusive look inside the Wanpaku Sumo championships. This event attracts 55,000 teenage hopefuls.

Building implosions have become the spectator sport of the modern age -- it's no wonder they also set world records. The implosi

Marsh Mokhtari faces one of the highest roads in Africa to experience the hidden treasures of Bushman rock art.

Diego crisscrosses Lagos to find where many newcomers arrive every day despite its traffic, poverty and pollution.

Diego mingles with graffiti artists and dodges bullets to find what unites the extreme rich and poor in São Paulo.