In Beijing yesterday, Tom Albanese, Rio Tinto's chief executive, who is visiting China for the first time since the detentions, said: "This issue is obviously of great concern."

力拓首席执行官艾博年(Tom Albanese)昨日在北京表示：“我们显然非常关心这个问题。”这是艾博年自雇员被拘留以来首次访问中国。

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They are currently in Sao Paulo and will also be visiting Brasilia and Rio de Janeiro.

BBC: Peter Robinson and Martin McGuinness in Sao Paulo

Tracks can also be a fresh approach to visiting traditional landmarks of Rio de Janeiro, like Corcovado Mountain.

BBC: Trekking in Rio de Janeiro

Love was inspired to write the music after visiting the slums of Rio de Janeiro.

NPR: 'Peace, Happiness' and G. Love