How to complete check-in in Moments during Double Ninth Festival when the elderly are not around?

1. First of all, checking in with Moments during the Double Ninth Festival is a festive activity.

2. Secondly, if they are not around, parents can lead their children to engage in activities with relatives, elders, neighbors, lonely elderly people, etc.

3. The Double Ninth Festival is a traditional Chinese festival, also known as the Elderly's Day. The festival falls on the ninth day of the ninth lunar month every year.