7月28日，工人在进行现场施工。当日，150间周转安置房在北京房山灾区河北镇开工搭建，预计安置转移灾民近300人。据了解，灾区安置房项目已在房山区的25个乡镇展开，建筑面积约1万平方米。新华社发（万象 摄）     July 28,，Workers in the field construction。On that day，Between 150 turnover houses in Beijing fang shan magmatic hebei town started building disaster areas，Is expected to shift for victims of nearly 300 people。According to understand，Disaster area houses project has set up a file in the fangshan district on 25 towns，The building area is about 10000 square meters。The xinhua news agency hair（Everything taken）

7月28日，工人在浇筑水泥。新华社发（万象 摄） July 28,，Workers in pouring cement。The xinhua news agency hair（Everything taken）