7月29日，志愿者在北京市房山区青龙湖镇北车营村帮助幼儿园清理教室里的淤泥。北京市房山区青龙湖镇北车营村在“7·21”特大自然灾害中受灾严重。目前，在当地政府、各界爱心人士及公益组织的共同努力下，灾后重建工作有序进行。新华社发（胡林庆 摄）     July 29,，Volunteers in qinglong lake county fangshan district of Beijing north car camp village to help clean up the classroom of silt kindergarten。Qinglong lake county fangshan district of Beijing north car camp in the village“7 · 21”Extraordinary natural disaster affected seriously。At present，In the local government、All who love and public organizations under the efforts of，The post-disaster reconstruction work in an orderly way。The xinhua news agency hair（HuLinQing perturbation）

    7月29日，红十字志愿者在北京市房山区青龙湖镇北车营村进行防疫消毒。新华社发（胡林庆 摄）     July 29,，Red Cross volunteers in qinglong lake county fangshan district of Beijing north car camp villages epidemic prevention disinfection。The xinhua news agency hair（HuLinQing perturbation）

     7月29日，通信公司在北京市房山区青龙湖镇北车营村村口架起车载天线，以保障手机信号的稳定。新华社发（胡林庆 摄）      July 29,，Communications company in qinglong lake county fangshan district of Beijing north car camp set the antenna village village，In order to ensure the stability of the mobile phone signals。The xinhua news agency hair（HuLinQing perturbation）