Participants: suitable for families Registration: first-come, first-served Number of participants: 10 - 20 people Time: 1.45 - 3.00 pm / 3.00 - 4.15 pm Date: mainly scheduled in weekends, to be confirmed with participants Venue: to be confirmed (If all participants know how to use ZOOM, the seminar can be arranged online, the Zoom link is to be arranged to participants before the seminar.)