Original sentence: Gay Kids was released on November 6, 2008 and an exhibition of the book's photographic material will be on display outside the Museum of Cultural History in Oslo through January 2009
Edited sentence: Gay Kids was released on November 6, 2008 and an exhibition of the book's photographic material was on display outside the Museum of Cultural History in Oslo.Originally scheduled through January 2009, it however stayed through July, an extra six months