These are two hilarious videos. In the first one, Justin Bieber walks into a revolving door. Here it is:
And in the second one, he walks into a glass wall.
(I did not make that video.) Poor guy!
PS: Hi to everyone I know that reads my blog. For example, hi mom! Hi Linda! (Hi Upchuck!) Maybe even hi Smiley! or hi Rockstar! or hi Cantata!