A workshop presentation with the presenter gesticulating.Participants talking in the break.Participants talking in the break.Participants talking at the UPA stand.A workshop presentation with the presenter gesticulating.A workshop presentation with the presenter gesticulating.A workshop presentation with the presenter pointing to something outside of the right frame.A person getting something to drink from one of the water dispensers.People talking with each other in the foyer.People talking with each other in the foyer.The reception desk with a person receiving their badge.The reception desk with a person receiving their badge.Lewis Chuang, one of the General Chairs making a speech at the Preparation Day with the camera facing the crowd.Lewis Chuang, one of the General Chairs making a speech at the Preparation Day.A group photo of all helpers and SVs.