Volunteers led by Beijing artist Ai Weiwei have sought to compile a list of thousands of children killed in schools that parents said were shoddily built, and Ai has spoken of official harassment.

• 在北京由艾未未带领的一群志愿者努力搜索汇集了一份数千人的死亡学生名单，学生父母称那些学校的建筑质量有问题，艾未未也提到了官方的骚扰。