URGENT HELP NEEDED! I AM UNABLE TO REMOVE A PICTURE FROM MY PREZI

Hi all,

I have a presentation tomorrow at 9am and am unable to remove a large picture (of a hallway with columns?) that I accidentally added to my prezi. Please help me remove this! Here is my link

http://prezi.com/5so9gvhhg8-h/?utm_campaign=share&utm_medium=copy