The police must still overcome the mistrust of the community , says tio santos of viva rio , an ngo .
非政府组织“里约万岁”成员tiosantos说:“警察依然需要克服社区人们对他们的不信任。”
Engineers worked through the night to lay 96 metres of sheet metal at the top of the 622-metre tunnel , finishing at 3 am local time , prompting cheers and shouts of " viva chile ! "