Original sentence: The event will transform a four sqaure mile block of Downtown Grand Rapids into a giant art gallery.The worlds largest Art Prize will take place in Grand Rapids on September 23rd through October 10th, 2009
Edited sentence: Artprize, the world's largest art prize, will take place in Grand Rapids from September 23rd through October 10th, 2009.The event will transform a four sqaure mile block of downtown Grand Rapids into a giant art gallery