Video - Frozen in Time

Isn't that amazing? I wish I had been there to see it.

Update: Because Mary asked in the comments for some background on how this was actually accomplished, I did a quick Google search and came up with the following two links from the sponsoring organization, Improv Everywhere:

Who they are and what they do
Background on this specific event Let me warn you that this page will load slowly because of the numerous photographs included on the page.