Penghui Ai @penghui-ai Active 4 years, 10 months ago ActivityProfileSites 1Friends 2Groups 0 PersonalMentionsFavoritesFriendsGroups Show: — Everything — Updates New Sites Posts Comments Friendships New Groups Group Memberships Group Updates Tug Tug and Penghui Ai are now friends 5 years, 10 months ago Penghui Ai @penghui-ai View Profile Manasseh Owusu and Penghui Ai are now friends 6 years ago Penghui Ai @penghui-ai View Profile CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio