There are a few ways in and out of the Palace of the Green Dome Grounds. Below is map, and each number corresponds to a picture and few sentence description below.
1 – Both in and out. Basim can climb the nearby building and jump from one pole to another.
2. Out only. Inside there is scaffolding he can climb out.
3. Out only.
4. Zip line out. Climb the building on the inside for a zip line over the wall.
5. Haram Rooftop. You can drop into the grounds from here or climb the windows back up.
6. Leap of Faith off the crane.
7. Break in the wall.