Why is walking on the road is a big mom

As long as it is big mom, basically all retired big mom, big mom in addition to watching grandchildren at home or watching granddaughter, but also busy buying food, cooking, free time to skate the road and so on, a bit of specialties of the big mom dancing or in the workout equipment on the activities of the body, don't look at the road is full of big mom, if there is no this group of big mom, all the small families do not know what time to eat, because young people are busy with their own work and business, nowadays a few young people do not have a car, so you can only see the road is a big mom. are busy with their own work and business, nowadays there are a few young people do not have a car, so the road you can only see the big mom.