Huge crowds have welcomed Pope Francis in the Brazilian city of Rio de Janeiro in his first overseas visit as head of the Roman Catholic Church. ________________________________ dismissing the authority's advice to use a bullet-proof popemobile. The Argentine-born pope returns to his native South America to join more than a million Roman Catholics from all over the world in a youth festival. Here's Julia Carneiro. 巴西里约热内卢大批民众欢迎弗朗西斯教皇的到来,这是教皇担任罗马天主教首领以来的首次海外出访.______________________________而不顾当局要他乘坐防弹的教皇车的建议.这位阿根廷出生的教皇回到自己的出生地南美洲,来参加来自全世界的100万名罗马天主教徒的年轻人节日.茱莉亚`卡内罗为您报道.