Despite a difficult technical start, the talk went smoothly and was lively.
Dan (sitting) and Deborah (standing) and Armand's computer who enabled the talk.
Here, Dan (like many others) is directly asking a question to Steven.
Here, Dan (like many others) is directly asking a question to Steven.
Virginia (top right) took the initiative to facilitate the discussion.
The attendees carefully listening to the author's replies.