http://sd.sdnews.com.cn/jinan/201707/t20170724_2271220.htm
23 days, in the streets of the old city, a construction team consisting of four elderly people over 60 years old is active, because they all have grandchildren or grandchildren, and the residents are called the granny class. Four old people from Zhangqiu, every morning at 5:30 from the home of Gao Guan Zhai Town, a car for more than one hour to the city, specially engaged in landscaping, seedling planting and other work, all the time to 4:30 p.m. to return, counting down to more than 100 kilometers a day.
