Prince William takes in Rio skyline
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Prince William was welcomed to Brazil at Sugarloaf Mountain, where he received the keys to the city of Rio de Janeiro ahead of his Earthshot Prize awards evening on Nov. 5.
Brazil's plans for a groundbreaking high-speed rail (HSR) system that promises to connect Rio de Janeiro and São Paulo in an estimated 1 hour and 45 minutes could potentially revolutionize transport in South America.