With the rhetoric not matching the reality, future Olympics hosts need to forge clearer sustainable standards
Фото: Alex Brandon / Reuters。同城约会对此有专业解读
• 内容团队：黄金萍 曹妍 罗仙仙，更多细节参见爱思助手下载最新版本
They repeatedly ask their superiors for permission to use live ammunition, after batons, water cannons and rubber bullets fail to disperse the crowd.