At the rooftops, you can pick up and smash the floating robots. There is an aircon unit at the far left which you can obliterate. Head to the far right to transition to the next area
. Down at the museum, you can throw the airplane propeller and the airplane itself afterwards at the central left area of the screen. Located at the central right area, there is a floating car which can be thrown. At the far right, you can destroy the Robin display by doing b + 3. The level transition to the next area is at the far left. Outside the streets, you can juggle the enemy off the armored vehicle on the far left. Again, there is a floating car at the rightside location which you can interact the same way as you did before. There is another car on the far left that can picked up. Finally, the transition is on the far right area.