Experts day, neglect to eat and sleep to work 12 hours a day, the average level of about 200 per person per day Palou, and walking several kilometres to the buildings have serious investigation.

• 专家们日以继夜、废寝忘食地每天工作12个小时以上，平均每人每天爬楼200层左右，往返步行数十公里对建筑物进行认真勘察。