Play the Search For Justice level an start web swinging. Go as high as you can and look for a building that is higher than the top height that you can swing at. After locating it, swing onto it then crawl or web zip your way to the top. When at the top, look towards the sun. Enter "look around" mode and aim it near and around the right side of the sun. There should be a place in the sky where you can zip to. From here you can crawl, web zip, and even pull the "Yo-Yo".