A man reacts as a performer dressed in a Tyrannosaurus rex dinosaur costume walks next to him during a publicity event in central Sydney August 28, 2013. The performance was a promotion for an upcoming exhibition at the Australian Museum titled “Tyrannosaurs – Meet the Family” which showcases ancestors of the Tyrannosaurus rex, with more than 10 life-size dinosaur specimens on display. (Photo by Daniel Munoz/Reuters)
