The HereEast campus offers a lot of space for free discussion and is great for small group study and group discussions to work together on class assignments, but the classrooms are quite small and can be crowded during lectures.
Studying online during an epidemic reduces the risk of spreading the disease and is also unaffected by factors such as weather, but there are many limitations; you may not be able to communicate effectively with the teacher, you may easily slip away to do other things, you may not be able to concentrate, and you may lack the practical experience.